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Stonebreen’s Beating Heart

2026-02-13 05:00

An animation of part of an island in the Svalbard archipelago shows ice-covered terrain centered on a glacier that flows toward the dark blue Barents Sea at the top. Shades of red along the glacier appear to pulse from light to dark, indicating seasonal changes in the glacier’s speed—slower in winter and spring and faster in summer.
2014–2022

Edgeøya, an island in the southeastern part of the Svalbard archipelago, is defined by stark Arctic expanses and rugged terrain. Still, even here—halfway between mainland Norway and the North Pole—life persists, from mosses to polar bears. The southern lobe of Stonebreen, a glacier that flows from the Edgeøyjøkulen ice cap into the Barents Sea, gives the landscape a different kind of life. Its ice pulses like a heart.

The apparent heartbeat comes from the ice speeding up and slowing down with the seasons. This animation, based on satellite data collected between 2014 and 2022, shows how fast the glacier’s surface ice moves on average during each month. In winter and spring, the ice flows relatively slowly (pink); by late summer, it races toward the sea at speeds exceeding 1,200 meters per year in places (dark red). In summer 2020, speeds reached as high as 2,590 meters per year (23 feet per day).

In general, summer speedups are caused by meltwater that percolates from the surface down to the base of the glacier, where the ice sits on rock, explained Chad Greene, a glaciologist at NASA’s Jet Propulsion Laboratory (JPL). “When the base of a glacier becomes inundated with meltwater, water pressure at the base increases and allows the glacier to slide more easily,” he said.

Data for the animation are from the ITS_LIVE project, developed at JPL, which uses an algorithm to detect glacier speed based on surface features visible in optical and radar satellite images. In 2025, Greene and JPL colleague Alex Gardner used ITS_LIVE data to analyze the seasonal variability of hundreds of thousands of glaciers across the planet, including Stonebreen.

Stonebreen is a surging glacier, a type that cycles between stretches of relatively slow movement and sudden bursts of speed when ice can flow several times faster than usual. These surges can last anywhere from months to years. Globally, only about 1 percent of glaciers are surge-type, though in Svalbard, they are relatively widespread.

Before 2023, Stonebreen spent several years surging at high speeds after melting along its front likely destabilized the glacier, according to Gardner. Even during this surging period, the ice followed a seasonal rhythm—speeding up in summer and slowing through the winter—all while continuing its faster overall flow toward the Barents Sea.

Since 2023, however, the glacier has all but slowed to a halt, with only a short stretch in the summer when meltwater causes Stonebreen to glide across the ground. It has entered a phase of quiet, or “quiescence,” which is a normal part of the cycle for surge-type glaciers.  

These seasonal heartbeat-like pulses and longer-term variations in ice flow at Stonebreen and other glaciers worldwide can be explored using the ITS_LIVE app.

Maps courtesy of Chad Greene and Alex Gardner, NASA/JPL, using data from the NASA MEaSUREs project ITS_LIVE. Story by Kathryn Hansen.

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Satellites Detect Seasonal Pulses in Earth’s Glaciers

4 min read

From Alaska’s Saint Elias Mountains to Pakistan’s Karakoram, glaciers speed up and slow down with the seasons.

Article

Alaska’s Brand New Island

3 min read

A landmass that was once encased in the ice of the Alsek Glacier is now surrounded by water.

Article

Arctic Sea Ice Ties for 10th-Lowest on Record

3 min read

Satellite data show that Arctic sea ice likely reached its annual minimum extent on September 10, 2025.

Article

NASA Selects Vast for Sixth Private Mission to Space Station

2026-02-12 21:11

The letters NASA on a blue circle with red and white detail, all surrounded by a black background
Credit: NASA

NASA and Vast have signed an order for the sixth private astronaut mission to the International Space Station, targeted to launch no earlier than summer 2027 from Florida.

This private astronaut mission marks the company’s first selection to the orbiting laboratory, underscoring NASA’s ongoing investment in fostering a commercial space economy and expanding opportunities for private industry in low Earth orbit.

“Private astronaut missions represent more than access to the International Space Station — they create opportunities for new ideas, companies, and capabilities that further enhance American leadership in low Earth orbit and open doors for what’s next,” said NASA Administrator Jared Isaacman. “We’re proud to welcome Vast to this growing community of commercial partners. Each new entrant brings unique strengths that fuel a dynamic, innovative marketplace as we advance research and technology and prepare for missions to the Moon, Mars, and beyond.”

The mission is expected to spend up to 14 days aboard the space station. A specific launch date will depend on overall spacecraft traffic at the orbital outpost and other planning considerations.

“The International Space Station plays an essential role in shaping the future of low Earth orbit,” said Dana Weigel, manager, International Space Station Program at NASA’s Johnson Space Center in Houston. “By hosting private astronaut missions, the station helps accelerate innovation, opens new commercial pathways, and advances research strengthening the foundation of a thriving space economy.”

Vast will submit four proposed crew members to NASA and its international partners for review. Once approved and confirmed, they will train with NASA, international partners, and SpaceX for their flight. The company has contracted with SpaceX as launch provider for transportation to and from the space station.

“Vast is honored to have been selected by NASA for the sixth private astronaut mission to the International Space Station,” said Max Haot, CEO of Vast. “Leveraging the remaining life of the space station with science and research-led commercial crewed missions is a critical part of the transition to commercial space stations and fully unlocking the orbital economy.”

The company will purchase mission services from NASA, including crew consumables, cargo delivery, storage, and other in-orbit resources for daily use. NASA will purchase the capability to return scientific samples that must remain cold during transit back to Earth.

NASA made the selection from proposals received in response to its March 2025 NASA Research Announcement.

Missions aboard the International Space Station, including private astronaut missions, help advance scientific knowledge and demonstrate new technologies in the unique microgravity environment. These commercial efforts in low Earth orbit are helping develop capabilities and technologies that could support NASA’s long-term goals for missions beyond low Earth orbit, including deep space exploration to the Moon and eventually to Mars through the agency’s Artemis campaign.

Learn more about NASA’s commercial space strategy at:

https://www.nasa.gov/commercial-space

-end-

Jimi Russell
Headquarters, Washington
202-358-1600
james.j.russell@nasa.gov

Anna Schneider / Joseph Zakrzewski
Johnson Space Center, Houston
281-483-5111
anna.c.schneider@nasa.gov / joseph.a.zakrzewski@nasa.gov

NASA Moon Mission Spacesuit Nears Milestone

2026-02-12 18:11

4 min read

Preparations for Next Moonwalk Simulations Underway (and Underwater)

A NASA crew member practices using lunar tools to collect geology samples at NASA’s Johnson Space Center during an elevated suit pressure test where teams evaluate how well crew perform tasks in different suit pressure levels while wearing the Artemis III lunar spacesuit developed by Axiom Space called the AxEMU (Axiom Extravehicular Mobility Unit).
NASA/Bill Stafford

The next-generation spacesuit for NASA’s Artemis III mission continues to advance by passing a contractor-led technical review, as the agency prepares to send humans to the Moon’s South Pole for the first time. Testing is also underway for the new suits, built by Axiom Space, with NASA astronauts and spacesuit engineers recently simulating surface operations and tasks underwater to demonstrate safety and mobility. 

The AxEMU (Axiom Extravehicular Mobility Unit), is designed to give astronauts increased flexibility and improved mobility for moonwalking, including bending down to collect geology samples and perform a variety of scientific tasks. The suit features increased sizing options and adjustability to fit a wider range of crew members. It incorporates advanced life-support systems and enhanced protection to withstand the harsh lunar environment. Axiom Space is also developing specialized tools and equipment for work on the lunar surface, allowing astronauts to more easily gather geology samples.  

Now that Axiom Space has completed their technical review of the AxEMU, NASA will evaluate whether the spacesuit is ready for the agency’s Artemis III mission that will return American astronauts to the Moon. A NASA-led critical design sync review, which is an agency-required technical evaluation, will confirm that the design’s hardware and systems are on track for final testing and delivery. In parallel, Axiom Space has begun receiving parts for the first flight unit, which will be assembled later this spring.

This achievement reflects our shared commitment to deliver a safe, capable lunar spacesuit that will enable astronauts to explore the Moon’s surface.

Lara Kearney

Lara Kearney

Manager, Extravehicular Activity and Human Surface Mobility Program

“The completion of their internal review brings Axiom Space one step closer to delivering a next-generation lunar spacesuit,” said Lara Kearney, manager of the Extravehicular Activity and Human Surface Mobility Program at Johnson Space Center in Houston. “This achievement reflects our shared commitment to deliver a safe, capable lunar spacesuit that will enable astronauts to explore the Moon’s surface.”

NASA and Axiom Space have conducted over 850 hours of pressurized testing with a person inside the AxEMU. Leading up to the review, teams conducted underwater and simulated lunar gravity tests of the AxEMU in facilities at NASA Johnson that demonstrate how the spacesuit’s capabilities will offer increased mobility as astronauts explore the Moon’s surface and prepare for missions to Mars. These tests allow astronauts and engineers to become familiar with the spacesuit and practice moving and performing tasks in a simulated lunar gravity environment, which is one-sixth the gravity we experience on Earth. Suit users have provided feedback on design, functionality, and safety.

Agency and Axiom Space teams recently finished the first series of test runs in the Neutral Buoyancy Laboratory at NASA Johnson. While in the 40-foot-deep pool, they weighted the AxEMU to match lunar gravity and assessed functionality and ease of movement.

Now, teams are in the middle of evaluating how well test subjects can perform tasks while wearing the spacesuit in different suit pressure levels in NASA Johnson’s Active Response Gravity Offload System facility. The agency uses an overhead lift system that connects to a spacesuit to create a reduced-gravity environment allowing anyone in the suit to walk around in simulated lunar gravity. Higher suit pressures reduce time to acclimate to the suits, enabling astronauts to spend more time walking on the lunar surface during Artemis missions.

Astronaut safety is NASA’s top priority for the Artemis campaign. Using more than 50 years of spacesuit expertise, NASA defined the technical and safety standards and requirements by which the next generation of lunar spacesuits are being built. At key milestones in the spacesuit’s development, NASA has and will continue to verify the AxEMU and its system deliverables to ensure the risk to the Artemis crew members is understood and minimized. 

NASA’s spacesuits contract is managed by the Extravehicular Activity and Human Surface Mobility Program which serves as the agency’s program to develop next-generation spacesuits, human-rated rovers, and spacewalking tools, along with all required spacewalking support systems that will enable astronauts to survive and work outside the confines of a spacecraft to explore on and around the Moon. 

As part of a Golden Age of innovation and exploration, NASA’s Artemis astronauts will use these new spacesuits, along with advanced landers and rovers, to explore more of the Moon for scientific discovery, economic benefits, and to prepare for future human exploration of Mars.

Learn more about NASA’s Artemis campaign at:

https://www.nasa.gov/artemis

Shimmering Light in Egg Nebula

2026-02-12 16:07

In the image center, an opaque oval cloud of gray gas aligned from 1 o’clock to 7 o’clock hides a star. Two strong beams of light from the star emerge from large holes in both sides of the cloud, forming narrow cones extending toward 10 o’clock and 4 o’clock. The central cloud is surrounded by concentric, wispy shells of gas illuminated by the star’s light. The shells reflect extra light where they’re hit by the twin beams. A crowd of smaller stars with cross-shaped spikes over them surrounds the nebula on a black background.
NASA’s Hubble Space Telescope reveals the clearest view yet of the Egg Nebula. This structure of gas and dust was created by a dying, Sun-like star. These newest observations were taken with Hubble’s Wide Field Camera 3.
NASA, ESA, Bruce Balick (UWashington)

This image from NASA’s Hubble Space Telescope released on Feb. 10, 2026, reveals a dramatic interplay of light and shadow in the Egg Nebula, sculpted by freshly ejected stardust. Located approximately 1,000 light-years away in the constellation Cygnus, the Egg Nebula features a central star obscured by a dense cloud of dust — like a “yolk” nestled within a dark, opaque “egg white.”

It is the first, youngest, and closest pre-planetary nebula ever discovered. (A pre-planetary nebula is a precursor stage of a planetary nebula, which is a structure of gas and dust formed from the ejected layers of a dying, Sun-like star. The term is a misnomer, as planetary nebulae are not related to planets.) 

Read more about the Egg Nebula.

Image credit: NASA, ESA, Bruce Balick (UWashington)

Reaching Top Speed in the Dolomites

2026-02-12 05:01

A 3D map shows the town of Cortina d’Ampezzo, Italy, in the foreground with tall peaks in the Dolomites rising behind it. A label indicates the location of the Olympic ski run on a mountain called Tofana di Mezzo. Snow covers the ground in most of the scene.

Nestled among high snowy peaks in northern Italy, Cortina d’Ampezzo is hosting athletes in the 2026 Winter Olympics and Paralympics who are skiing, sliding, and curling toward a spot on the podium. The scenic mountain town is the co-host, along with Milan, of the international sporting extravaganza.

Cortina sits within the Dolomites, a mountain range in the northern Italian Alps known for its sheer cliffs, rock pinnacles, tall peaks, and deep, narrow valleys. In this three-dimensional oblique map, several peaks over 3,000 meters (10,000 feet) tall rise above the town. To create the map, an image acquired with the OLI (Operational Land Imager) on Landsat 8 on January 27, 2026, was overlaid on a digital elevation model.

Tofana di Mezzo, the third-highest peak in the Dolomites at 3,244 meters (10,643 feet), is the site of the Tofane Alpine Skiing Centre, the venue for the Olympic women’s Alpine skiing and all Paralympic skiing events. Competitors on the Olympia delle Tofane course descend 750 meters (2,460 feet), reaching high speeds and catching big air along the way. A highlight is the steep, 33-degree drop through the Tofana Schuss, a chute bounded by tall rock walls near the top of the course.

More adrenaline-filled races are taking place at the Cortina Sliding Centre, the venue for bobsled, luge, and skeleton events. Athletes are competing on a rebuilt version of the track used in the 1956 Olympics, hosted by Cortina. And curlers, trading speed for strategy, are going for gold at the Cortina Curling Olympic Stadium, built for the 1956 Olympic figure skating competition and opening ceremony. (There is indeed a theme: almost all of the 2026 Games are being held in existing or refurbished facilities.)

Natural Color
False Color
Cortina d’Ampezzo, Italy, co-host city of the 2026 Winter Olympics, sits in a valley surrounded by tall mountains in the Dolomites. Snow covers the ground in most of the scene.
NASA Earth Observatory
A false-color satellite image shows the town of Cortina d’Ampezzo, Italy, surrounded by tall mountains in the Dolomites. Snow appears light blue, forested areas are green, and bare cliff bands and light brown.
NASA Earth Observatory
Cortina d’Ampezzo, Italy, co-host city of the 2026 Winter Olympics, sits in a valley surrounded by tall mountains in the Dolomites. Snow covers the ground in most of the scene.
NASA Earth Observatory
A false-color satellite image shows the town of Cortina d’Ampezzo, Italy, surrounded by tall mountains in the Dolomites. Snow appears light blue, forested areas are green, and bare cliff bands and light brown.
NASA Earth Observatory
Natural Color
False Color

January 27, 2026

These Landsat images show Cortina and its surrounding alpine terrain in natural color and false color. The band combination (6-5-4) highlights areas of snow (light blue), while steep, mostly snow-free cliffs stand out as areas of light brown, and forests appear green.

Locations across the Italian Alps join Cortina in hosting the snow sports, which also include cross-country skiing, ski jumping, ski mountaineering, and snowboarding. As with many past Olympics, the 2026 Winter Games are manufacturing snow at the various venues to ensure consistent conditions. New high-elevation reservoirs were created to store water for snowmaking, according to reports. Automated systems are being used to limit snow production to the minimum amount required, and most snowmaking operations are being powered by renewable energy, the International Olympic Committee said.

Snowfall in northern Italy was below average at the start of the season, but a storm on February 3—three days before the opening ceremony—eased some of the need for snowmaking. Still, snow coverage and the ability of Winter Olympic venues to maintain consistent conditions are areas of concern as global temperatures rise. Researchers studying the issue have suggested several ways to address this, including holding competitions at higher elevations, choosing regional or multi-country hosts, and shifting the Paralympic Games from early March to January or February when it’s typically colder and snowier.

NASA Earth Observatory images by Michala Garrison, using Landsat data from the U.S. Geological Survey and elevation data from TINITALY. Story by Lindsey Doermann.

References & Resources

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Stay up-to-date with the latest content from NASA as we explore the universe and discover more about our home planet.

Milano Cortina 2026
4 min read

About 2,900 Olympic athletes have converged on northern Italy to sort out who is the GOAT—or perhaps the stoat.

Article
The West Faces Snow Drought
4 min read

Very wet—but very warm—weather in the western U.S. has left many mountainous regions looking at substantial snowpack deficits.

Article
Snow Buries the U.S. Interior and East
2 min read

Satellites observed a frozen landscape across much of the country after a massive winter storm.

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TechCrunch - Latest

Waymo is asking DoorDash drivers to shut the doors of its self-driving cars

2026-02-13 04:41

If a passenger accidentally leaves a Waymo door open, the vehicle can get stuck in place.
For $1M, you can pay Bryan Johnson (or BryanAI?) to teach you how to live longer

2026-02-12 23:43

The longevity-obsessed investor Bryan Johnson is charging $1 million to sign up for his "Immortals" program.
Amid disappointing earnings, Pinterest claims it sees more searches than ChatGPT

2026-02-12 23:26

Pinterest's stock tumbles after an earnings miss, with higher-than-expected usage its only bright spot.
IBM will hire your entry-level talent in the age of AI

2026-02-12 23:23

IBM plans to triple its entry-level hiring in the U.S. in 2026, but these jobs will have different tasks than in previous years.
Rivian was saved by software in 2025

2026-02-12 23:17

The company's annual revenue was boosted by its technology joint venture with Volkswagen Group.
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