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Certain nutrients critical for human health lack the shelf life needed to span multi-year missions to the Moon, Mars, and beyond. NASA’s BioNutrients-3 is part of an experiment series testing ways to use microorganisms to produce these nutrients in space and on demand.

The on-demand nature of this experiment is similar to making nutrient-dense fermented foods on Earth, such as how milk is transformed by good bacteria into yogurt. But in this case, there is a focus on producing specific types and quantities of nutrients essential for future space explorers.

Samples from BioNutrients-3, along with other valuable experiments, are set to return from the International Space Station aboard a SpaceX Dragon spacecraft supporting the company’s 33rd commercial resupply mission for NASA. The spacecraft is set to depart the space station on Thursday, Feb. 26 for its return to Earth. Watch NASA’s live coverage of the undocking and departure starting at 11:45 a.m. EST on NASA+, Amazon Prime, and the agency’s YouTube channel.

Once the samples return to Earth, the science team at NASA’s Ames Research Center in California’s Silicon Valley will perform analysis procedures. Results from this study can help NASA develop methods to produce vital nutrients that could support human deep space exploration as part of NASA’s Artemis campaign.

NASA’s BioNutrients-3 is part of the Synthetic Biology project, which is funded by the Game Changing Development program within NASA’s Space Technology Mission Directorate.

Two heads are better than one in the latest images from NASA’s James Webb Space Telescope, which reveal new detail in a mysterious, little-studied nebula surrounding a dying star. 

Nebula PMR 1 is a cloud of gas and dust that bears an uncanny resemblance to a brain in a transparent skull, inspiring its nickname, the “Exposed Cranium” nebula. Webb captured its unusual features in both near- and mid-infrared light. The nebula was first revealed in infrared light by a predecessor to Webb, NASA’s now-retired Spitzer Space Telescope, more than a decade ago. Webb’s advanced instruments show detail that enhances the nebula’s brain-like appearance. 

Image: Exposed Cranium Nebula (NIRCam and MIRI Images)

The nebula appears to have distinct regions that capture different phases of its evolution — an outer shell of gas that was blown off first and consists mostly of hydrogen, and an inner cloud with more structure that contains a mix of different gases. Both Webb’s NIRCam (Near-Infrared Camera) and MIRI (Mid-Infrared Instrument) show a distinctive dark lane running vertically through the middle of the nebula that defines its brain-like look of left and right hemispheres. Webb’s resolution shows that this lane could be related to an outburst or outflow from the central star, which typically occurs as twin jets burst out in opposite directions. Evidence for this is particularly notable at the top of the nebula in Webb’s MIRI image, where it looks like the inner gas is being ejected outward. 

While there is still much to be understood about this nebula, it’s clear that it is being created by a star near the end of its fuel-burning “life.” In their end stages, stars expel their outer layers. It’s a dynamic and fairly fast process, in cosmic terms. Webb has captured a moment in this star’s decline. What ultimately happens will depend on the mass of the star, which is yet to be determined. If it’s massive enough, it will explode in a supernova. A less massive Sun-like star will continue to shed layers until only its core remains as a dense white dwarf, which will cool off over eons. 

The James Webb Space Telescope is the world’s premier space science observatory. Webb is solving mysteries in our solar system, looking beyond to distant worlds around other stars, and probing the mysterious structures and origins of our universe and our place in it. Webb is an international program led by NASA with its partners, ESA (European Space Agency) and CSA (Canadian Space Agency).

To learn more about Webb, visit:

https://science.nasa.gov/webb

Downloads & Related Information

The following sections contain links to download this article’s images and videos in all available resolutions followed by related information links, media contacts, and if available, research paper and Spanish translation links.

Related Links

Read more: Webb First to Show 4 Dust Shells ‘Spiraling’ Apep

Explore more: ViewSpace: V838 Monocerotis

Watch: NASA’s Universe of Learning Visualization of Eta Carinae

Explore more: SuperStar Eta Carinae

Explore more: ViewSpace: Star Death: Helix Nebula

More Webb News

More Webb Images

Webb Science Themes

Webb Mission Page

On December 6, 2025, a powerful magnitude 7.0 earthquake struck the remote St. Elias Mountains, a highly glaciated range that spans the Yukon-Alaska border. The quake shook the landscape beneath Hubbard Glacier, sending ice and rock careening down the range’s steep slopes. The NISAR (NASA-ISRO Synthetic Aperture Radar) satellite offered some of the earliest views of the changed landscape.

Geophysicist Eric Fielding and colleagues at NASA’s Jet Propulsion Laboratory (JPL) typically use satellite data to map the displacement of the ground after major earthquakes strike land. But in this region, such maps—known as interferograms—are not possible because the ground lies buried beneath a layer of glacial ice that’s at least 700 meters (2,000 feet) thick. “The cryosphere is covering up the geosphere,” Fielding said.

Instead, clues to the earthquake’s destructive power lay strewn atop the ice surface. The shaking on December 6 unleashed landslides and avalanches that swept debris onto lower, flatter stretches of the glacier. The debris is visible in radar imagery acquired by NISAR on December 8, two days after the quake (right). For comparison, the NISAR image on the left shows the same area on November 26, a week and a half before the quake.

Where the slides have deposited rock, snow, and other debris, surfaces have become rougher, which scatters more energy back toward the sensor and makes those areas appear bright in the December 8 image (the roughest areas are shown in dark green). Areas with smooth surfaces reflect little of the radar’s energy directly back to the satellite sensor, so these parts of the images appear dark (shown in purple). Note that there are some exceptionally rough, green surfaces beyond the new slide areas that remain relatively unchanged between the two images.

The largest slide in the scene appears to be cascading down the flank of Mount King George, but it’s far from the only one. Numerous others scar the surrounding terrain, including areas to the west along the slopes of Mount Logan, Canada’s tallest mountain.

Alex Gardner, a glaciologist at JPL and member of the NISAR science team, reviewed the images with Fielding. “The sheer number and magnitude of avalanches and landslides is astounding,” Gardner said. “I’ve personally never seen anything like this before.”

A separate preliminary analysis by the U.S. Geological Survey identified more than 700 potential landslides and snow avalanches, with an especially high concentration northwest of the epicenter along the fault rupture. Follow-up flights by the Yukon Geological Survey on December 12 provided a closer look, showing some slopes remained actively unstable, with dust still hanging in the air, and widespread damage to glacial ice.

Much of the debris that settled atop the region’s glacial ice is likely being transported toward the ocean by the glaciers’ ongoing seaward flow, which acts as a natural “conveyor belt.” For example, a tributary glacier of Hubbard north of Mount King George, which had previously moved at a sluggish pace, entered a surging phase in November before the earthquake. It is now moving downslope at what Gardner described as “breakneck speeds” of up to 6,000 meters per year (about 50 feet per day).

Although the region is uninhabited, the slides and damaged ice could pose new hazards for mountaineers and other expeditions, USGS noted in a December 18 update. The town of Yakutat, Alaska, about 90 kilometers (56 miles) south of the epicenter, is a common staging point for people exploring the area.

NISAR observations are expected to provide imagery to support future natural disaster response efforts.

Images by Gustavo Shiroma (JPL) of the NISAR Algorithm Development Team using data from the NISAR GSLC product, and prepared for NASA Earth Observatory by Lauren Dauphin. Story by Kathryn Hansen.

References & Resources

• Das, G., et al. (2025) Mapping Glacierized Regions With Quad-Pol Dual Frequency LS-ASAR: Insights for the NISAR Mission. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 18, 26338-26354.
• Martinez, S. N., et al. (2021) Evaluation of Remote Mapping Techniques for Earthquake-Triggered Landslide Inventories in an Urban Subarctic Environment: A Case Study of the 2018 Anchorage, Alaska Earthquake. Frontiers in Earth Science, 9, 673137.
• NASA (2025, July 30) NASA-ISRO Satellite Lifts Off to Track Earth’s Changing Surfaces. Accessed February 23, 2026.
• U.S. Geological Survey (2025, December 10) 2025 M7.0 Hubbard Glacier Earthquake-Triggered Landslides and Snow Avalanches. Accessed February 23, 2026.
• U.S. Geological Survey (2025, December 6) M 7.0 – 2025 Hubbard Glacier Earthquake. Accessed February 23, 2026.

Written by Diana Hayes, Graduate student at York University, Toronto

Earth planning date: Friday, Feb. 20, 2026

This has been a pretty routine week for Curiosity. As was mentioned last week, we’re now in the final phase of the boxwork exploration campaign. We’re currently making our way toward the eastern contact of the boxwork formation with the surrounding geology, which we plan to drive along before turning our attention to the southern contact. That will likely be our last opportunity to directly interrogate the boxwork area before we continue our adventure up the slopes of Mount Sharp.

Along the way, we’ve been performing our usual investigations of the geology that we encounter at our parking locations. As always, this includes contact science on bedrock targets close to the rover, ChemCam LIBS observations of targets slightly further afield, and a number of ChemCam RMI and Mastcam mosaics. These mosaics include observations deeper into the “Tapiche” hollow where we’re parked and the “Los Flamencos” ridge to its south, which we plan on investigating closer in the coming week.

Mars continues to move deeper into its dusty season, so the environmental science group filled this week’s plan with a typical assortment of atmospheric monitoring activities to track dust devils and the amount of dust in the atmosphere, as well as several Navcam cloud movies. So far this dusty season the atmosphere over Gale Crater appears to be behaving much like it does most years, with no signs of imminent dust storms. It’s now been almost eight years (four Mars years) since the last time that a global dust storm swept across the planet, so we’re keeping a close eye on the possibility of another one occurring this year.

On April 8, 2024, volunteers participating in NASA’s Eclipse Megamovie citizen science project all around the United States hurried to photograph the solar eclipse with the latest, greatest equipment, capturing groundbreaking images of the Sun’s corona.

Now, the Eclipse Megamovie team has released the remarkable new dataset that resulted from this effort — the first-ever, white-light eclipse dataset with calibration frames, spanning more than a cumulative hour and a half of observations of the solar corona. This data, which includes 52,469 total photographs uploaded by project volunteers, is now live: https://eclipsemegamovie.org/database. The data include contributions from 143 unique, mobile, volunteer-led “observatories” – people with cameras charged with taking precise images of the eclipse, taking extra steps to allow the painstaking calibration required to reveal how the corona evolves from one person’s view to the next. Researchers around the world can now use these observations to identify solar jets leaving the Sun’s surface and study how solar plumes grow and develop. The public can also peruse and download all of this data, which is highly accessible and searchable by observatory name and location.

“Thank you for all you do and have done for us,” said Eclipse Megamovie volunteer Jessi McKenna. “Everyone in the group has been amazingly supportive of each other. And those who are running things are always so obviously appreciative of everyone who has contributed to the project.” 

The files include data at three different levels of processing, from raw (level 1) data to calibrated (level 3) data, in a format called FITS, or Flexible Image Transport System. It is the standard astronomical data format used by NASA and the International Astronomical Union. Of the 143 unique observatories involved, 28 observatories had clear skies, sufficient calibration frames, and enough unique exposure times to create calibrated level 3 images.

The Eclipse Megamovie team at Sonoma State University and the University of California, Berkeley and collaborators at NASA’s Goddard Space Flight Center began working together long before the eclipse to construct this database, together with EdEon STEM (Science, Technology, Engineering, & Mathematics) Learning programmer Troy Wilson. But crucially, Eclipse Megamovie 2024 was made possible because of hundreds of volunteers who journeyed into the path of the April 8, 2024 total solar eclipse with their cameras, patience, and curiosity.

Apply to speak at TechCrunch Founder Summit 2026 by April 17 for a chance to lead a roundtable or breakout session for 1,000 founders and investors. If you’ve built, backed, or operated inside high-growth startups, your experience could shape how the next wave of founders scales.

General purpose tools like ChatGPT, Claude, and Grok are not designed for this use, making mental health professionals wary.

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The Trump administration has ordered U.S. diplomats to lobby against countries' attempts to regulate how American tech companies handle foreigners' data.