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San Francisco’s Metropolitan Mosaic

2026-06-09 04:00

A top-down photo of San Francisco shows dense gray urban infrastructure interspersed with green parks. Waves and ships are visible in the surrounding blue-green water.
May 27, 2026

A period of unsettled weather brought scattered showers and thunderstorms to California’s Bay Area on May 27, 2026. That afternoon, a break in the clouds left downtown San Francisco and nearby communities beneath mostly cloud-free skies, allowing an astronaut aboard the International Space Station to take this photograph.

The image captures two of the region’s iconic bridges. The Golden Gate Bridge connects the northern San Francisco Peninsula with Marin County to the north, while the San Francisco-Oakland Bay Bridge spans the bay toward Oakland to the east.  

Near the center of the image, Golden Gate Park stands out as a long, rectangular strip of green amid the dense urban landscape. Spanning more than 1,000 acres (400 hectares), the park encompasses meadows, gardens, wooded areas, and lakes. Additional green space toward the north around the Golden Gate Bridge is part of a national recreation area

The nadir (downward-looking) perspective also provides a clear view of the patchwork of street grids, which were laid out over San Francisco’s hilly terrain as the city grew in successive stages. In the heart of the downtown area, Market Street runs southwest to northeast and serves as a prominent divider between two distinct grid orientations: one aligned with the bay and the other aligned with the street.  

Along the northeastern and eastern waterfront, various structures extend into the bay. Toward the north, these include a historic wharf, seawalls, and piers—most built in the early 1900s, though some date back into the 1800s. The adjacent waters support heavy maritime traffic, including cargo and container ships, cruise vessels, and regional ferries.

Breaking waves are visible along the western coast, including at Ocean Beach, the 3.5-mile stretch of sandy shore adjacent to Golden Gate Park. On May 27, the National Weather Service warned of hazardous conditions at the region’s beaches due to strong northerly winds. Long-period swells from the northwest contributed to the increased risk of rip currents as well as sneaker waves in the days after this image was acquired.

Astronaut photograph ISS074-E-619284 was acquired on May 27, 2026, with a Nikon Z9 digital camera using a focal length of 800 millimeters. It is provided by the ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit at NASA Johnson Space Center. The image was taken by a member of the Expedition 74 crew. The image has been cropped and enhanced to improve contrast, and lens artifacts have been removed. The International Space Station Program supports the laboratory as part of the ISS National Lab to help astronauts take pictures of Earth that will be of the greatest value to scientists and the public, and to make those images freely available on the Internet. Additional images taken by astronauts and cosmonauts can be viewed at the NASA/JSC Gateway to Astronaut Photography of Earth. Story by Kathryn Hansen.

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Great Balls of Fire

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How NASA Science and Artemis Are Shaping the 2026 FIFA World Cup 

2026-06-08 19:36

Researchers tested soccer balls aboard the International Space Station to study how internal mass affects motion and stability in microgravity.
NASA

As the FIFA World Cup approaches, NASA is bringing space science and engineering to soccer fans worldwide. From June 11 to July 19, 2026, NASA will host an exhibit at FIFA Fan Festival™ Houston where visitors can learn how research aboard the International Space Station benefits life on Earth and experience missions in low Earth orbit, the Moon, and beyond through the Artemis program. 

On June 11, as the FIFA World Cup begins, NASA’s exhibit at Fan Festival Houston will open to the public. The event is free to attend and open for every match of the tournament in East Downtown, Houston. On June 20, Johnson Space Center Director Vanessa Wyche will introduce select Artemis II crew members following their historic mission around the Moon. The crew will participate in World Cup activities ahead of the Netherlands-Sweden match in Houston and will appear on the Fan Festival Houston main stage to share their experience with fans. 

The connection between NASA and the World Cup goes beyond the exhibit floor, reaching all the way to orbit. NASA spinoff technologies are innovations developed for space exploration that go on to shape commercial products and everyday life – even on the soccer field. 

For more than 25 years, research aboard the International Space Station has enabled breakthroughs in science, technology, and human health while advancing innovations that benefit people on Earth. That work includes studies that improve understanding of the aerodynamics and physics involved in soccer ball flight. 

In partnership with the ISS National Laboratory in 2019, researchers used the station’s microgravity environment to study how a soccer ball’s internal mass affects its motion, stability, and rotation. The findings have improved understanding of how embedded technologies, including match-ball sensors, can influence performance during play. The research contributed to studies used in the development and evaluation of soccer balls for major international tournaments, including FIFA World Cup competition. 

Understanding the relationship between an object’s center of mass and its geometric center is key to predicting how free-flying objects move, including spacecraft, satellites, and aircraft. 

Since 2022, Adidas has embedded electronics inside official match balls used in major tournaments. The sensors track speed, position, and contact in real time to support officiating and broadcast technology. But those sensors also add mass in specific locations inside the ball, and uneven mass distribution can affect how a ball moves through the air. 

The space-based research has helped improve understanding of how internal mass, including embedded sensors, can influence stability and rotation in real-world playing conditions. 

This work builds on earlier research into how spinning objects behave in microgravity. 

Engineers at NASA’s Ames Research Center in Silicon Valley, California tested Adidas’ Brazuca ball, developed for the 2014 FIFA World Cup, in wind tunnel conditions at the Fluid Mechanics Laboratory. Researchers studied aerodynamic behavior, including how low-spin kicks can produce “knuckling,” where the ball moves unpredictably due to unstable airflow across the seams. NASA engineers measured the speeds and flow conditions where this effect was most pronounced. 

Adjustments in panel shape, seam depth, and surface texture can influence flight consistency, helping determine whether a ball curves, dips, or holds its line during play. 

Now, NASA and Adidas are presenting that science through a STEMonstration that compares how differently balanced soccer balls spin and move in microgravity. The experiment shows how the same physics that governs motion in space also shape the game millions watch on Earth. 

Through research aboard the International Space Station and technology developed for exploration, NASA continues to demonstrate how discoveries made for space can benefit people on Earth—including athletes and fans participating in the world’s most popular sport. 

Watch the soccer ball STEMonstration video: 

Supersonic!

2026-06-08 15:28

NASA’s X-59 quiet supersonic research aircraft flies through the blue sky. The plane has a distinctive long, sharp nose. There are mountains visible at the bottom of the photo.
NASA/Lori Losey

On June 5, 2026, NASA’s experimental X-59 aircraft flew faster than the speed of sound for the first time, setting the stage for demonstrating its quiet supersonic capabilities later this year. NASA test pilot Jim “Clue” Less took off and landed at Edwards Air Force Base in California, reaching a top speed of approximately Mach 1.1 (713 mph). The flight lasted 81 minutes, with the team focusing on flying qualities at both subsonic and then supersonic speeds.

The X-59 is the centerpiece of NASA’s Quesst mission, which aims to demonstrate quiet supersonic flight and help enable commercial supersonic flight over land worldwide. These advancements will help travelers reach their preferred destinations faster, spending less time in the air.

Learn more about the milestone and Quesst.

Image credit: NASA/Lori Losey

NASA’s INCUS Satellites Progress Toward Launch

2026-06-08 15:22

2 Min Read

NASA’s INCUS Satellites Progress Toward Launch

A complex spacecraft partially wrapped in gold-colored foil and featuring a large rectangular solar panel stands on a metallic support structure against a solid blue background.

PIA26614

Credits:
Blue Canyon Technologies

Description

One of the three satellites that make up NASA’s INCUS (Investigation of Convective Updrafts) mission sits on a fixture at the facilities of Blue Canyon Technologies in Lafayette, Colorado. The satellite completed testing in preparation for launch in late May 2026. The mission will make the first space-based survey of the dynamics of tropical convective storms.

The three nearly identical satellites will fly in tight coordination in low Earth orbit, with the first and second satellites separated by 30 seconds, and the second and third satellite separated by 90 seconds. 

Each satellites carries a radar designed to observe the vertical motion of air and water — known as convective mass flux — as storms develop and evolve. The middle satellite will also carry a microwave radiometer.

The INCUS mission is set to launch in 2027 from NASA’s Wallops Flight Facility in Virginia.

Funded through the Earth Venture Mission-3 acquisition under NASA’s Earth System Science Pathfinder Program and led by principal investigator Sue van den Heever at Colorado State University in Fort Collins, INCUS is one of several missions fulfilling the clouds, convection, and precipitation requirements of NASA’s Earth System Observatory, a set of interconnected missions set to study our home planet’s dynamic natural systems and how they interact. The mission is also part of FALCON (Fleet for the Atmosphere Linking Commercial Observations with NASA), a fleet of atmosphere-observing satellites that will combine hardware contributions from NASA centers, universities, and commercial partners.

Digging Back in Time in the UAE

2026-06-08 04:01

Limestone ridges appear as linear features running north–south with orange-toned desert to the west and a darker-toned mountain range to the east.
Jabal al Fāyah rises from the Rub’ al Khali desert in an image captured by the OLI (Operational Land Imager) on Landsat 8 on October 23, 2025.
NASA Earth Observatory / Lauren Dauphin

About an hour’s drive east of Dubai’s gleaming towers and artificial islands, a quieter, more natural landscape takes shape. At the far northern edge of the Rub’ al Khali, a saffron-colored sand sea laps against the Al-Hajar Mountains. A series of pale ridges rises finlike from the desert plain, with the largest—Jabal al Fāyah—standing 412 meters (1,352 feet) above sea level.  

The Landsat 8 satellite captured this image of the ridges cutting across the Emirate of Sharjah in the northern part of the United Arab Emirates on October 23, 2025. To geologists, the limestone ridges are a reminder of the region’s watery past, signs that this land lay underwater tens of millions of years ago when the sedimentary rock layers were deposited.

Jabal al Fāyah functions as a barrier, trapping windblown sand in dune fields to its west. The weathering of iron-bearing minerals in the sand grains gives the dune fields their orange hue. To the east, the branching channels of overlapping alluvial fans extending from the Al-Hajar Mountains carry gravels and eroded sediments from basalts and other dark mafic rocks

The dark rocks to the east—part of the Samail Ophiolite—are known to geologists for being among the world’s largest, best-preserved, and most accessible exposures of ancient oceanic lithosphere, the rigid outer layer of Earth that includes both the crust and upper mantle. Oceanic lithosphere like this is normally subducted and recycled back into the mantle when tectonic plates collide. But in this area, a large section from beneath the Tethys Sea was scraped off and thrust onto the Arabian plate in a process called obduction.  

Development associated with Dubai appears as a light gray zone along the coast of the Persian Gulf with the dark gray Al-Hajar Mountains on the far right side of the image. A ridge lies in the middle of the image in a sandy area.
Dubai lies to the west of the limestone ridges, and the Al-Hajar Mountains lie to the east, in an image acquired by the OLI (Operational Land Imager) on Landsat 8 on October 23, 2025.
NASA Earth Observatory / Lauren Dauphin

The Jabal al Fāyah ridges themselves are made up of marine limestone that was deposited on top of the ophiolite over tens of millions of years spanning the late Cretaceous through the early to mid-Paleocene. Limestone typically forms along continental margins in warm, shallow oceans, often in lagoons and coral reefs, out of the calcium carbonate found in the shells and skeletons of marine life. In many parts of the ridges, coral fragments and marine invertebrate fossils are visible embedded in the rock. A feature called Fossil Rock sits a few kilometers north of Jabal al Fāyah and adjacent to the limestone ridge Jabal Mulayḩah. It contains an abundance of snail, clam, and sea urchin remains. 

For archaeologists, the ridges are at the center of a much more recent tale of human adaptation and survival that has played out in just the past few hundred thousand years. The ridges and parts of the surrounding landscape—inscribed as a UNESCO World Heritage site in 2025—are dotted with dozens of archaeological sites that trace human occupation on the Arabian Peninsula back to between 210,000 and 120,000 years ago, to the Middle Paleolithic. That was a period when waves of anatomically modern humans (Homo sapiens) migrated out of Africa and shared the planet with other groups such as Neanderthals.   

Many of the sites contain stone flakes, blades, scrapers, hand axes, and other stone tools. The archaeological treasure trove offers early evidence of modern humans surviving in a harsh desert environment and raises questions about the routes modern Homo sapiens may have taken on their journey out of Africa.  

Geological evidence indicates that lakes periodically formed on the east side of the ridge, providing critical food and water resources that would have supported early inhabitants in this unforgiving climate. Rocky overhangs along the ridge would have provided shelter from the heat and wind. Some of the sites show evidence of intermittent occupation beginning as early as 210,000 years ago, making this one of the earliest signs of human habitation on the Arabian Peninsula.   

NASA Earth Observatory images by Lauren Dauphin, using Landsat data from the U.S. Geological Survey. Story by Adam Voiland.

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Thailand’s Krabi Coast

3 min read

The coastal province features striking tropical karst landscapes and sandy beaches alongside a mix of natural land cover and developed…

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A Bit of Gray on an Emerald Isle

3 min read

Ireland is best known for its many greens, but the striking grays of the island’s Burren region also stand out…

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Eyeing the Richat Structure

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The circular geologic feature in northwestern Africa can be hard to recognize from the ground, but it is obvious when…

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TechCrunch - Latest

Zepto’s IPO filing reveals fast growth, bigger losses, and a valuation question nobody’s answered yet

2026-06-09 05:07

Zepto's advertising revenue jumped 151%, outpacing the company's 104% growth in operating revenue.
Why Apple’s slow-and-steady AI bet is starting to look pretty smart

2026-06-09 01:56

Can Apple's new AI glow up put to bed accusations that it's losing an all-important industry race?
Mercor’s Brendan Foody calls out Sequoia, accusing it of ‘dual-pricing’ valuation tricks

2026-06-09 00:45

Sequoia is just one of the top firms that sells same equity at two different prices.
As OpenAI files for IPO, Sam Altman’s eye-scanning company is doing layoffs, report says

2026-06-08 22:41

Tools for Humanity, Sam Altman's identity verification company, is reportedly struggling to generate revenue and will downsize its staff.
Apple’s WWDC AI demos looked more real after $250M false ad settlement

2026-06-08 22:39

The vibe of Apple's 2026 WWDC keynote felt like a spouse proudly listing all the honey-do-list items tackled. One subtle example: the many AI demos of someone standing, phone in hand.
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