NASA Welcomes Croatia as Newest Artemis Accords Signatory
The Republic of Croatia became the 74th signatory to the Artemis Accords on Wednesday during a ceremony in the capital city of Zagreb with NASA and U.S. Department of State offici…
NASA Selects Far-Infrared Telescope as First in New Mission Class
NASA announced Wednesday a mission to explore the history and evolution of the universe, PRIMA (PRobe far-Infrared Mission for Astrophysics), is advancing to the next phase of dev…
NASA Aircraft to Make Low-Altitude Research Flights Over Colorado
Agricultural emissions represent an important and understudied part of Earth’s land and atmosphere systems. The FarmFlux mission will deploy more than a dozen sensors to measure o…
NASA's Hubble seeks lensed supernova, marks 200,000 orbits
NASA's Hubble Space Telescope completed its 200,000th orbit around Earth on Sept. 19, marking another milestone for an observatory that continues to transform our understanding of…
NASA’s Hubble Telescope Reaches Milestone, Looks for Elusive Supernova
NASA’s Hubble Space Telescope captured this image of massive galaxy cluster MACS J0417 (left of center) on Sept. 19, 2026. This galaxy cluster acts as a gravitational lens, bendin…
The far side of the moon provides clues to a past magnetic field
Unlike Earth, the moon no longer has a core-generated magnetic field. On our planet, the movement of liquid iron in the outer core generates a global magnetic field. This so-calle…
Exercise keeps astronauts' hearts strong enough for flight to Mars
Intense exercise during long spaceflights helps maintain heart structure and function within a range needed to tolerate the low-gravity environment of Mars, a study co-led by a UT…
Arctic Sea Ice Reaches 2026 Annual Minimum Extent
Arctic sea ice reached its annual minimum extent on Sept. 12, according to NASA and the National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder. The ice co…
Roaming black holes may tell the hidden history of galaxies
If you want to understand the origins of black holes, Yale astronomers say, you need to look beyond the centers of galaxies and start searching in the nooks and crannies. That's w…
SKA may detect magnetic fields on distant exoplanets
Studying exoplanets has given astronomers insights into the characteristics that could help them find life beyond Earth. For years, astronomers thought an exoplanet's location in …
Shannon Lucid’s Record-Setting Mission Aboard Mir
Shannon Lucid’s Record-Setting Mission Aboard Mir Three days before returning to Earth, Shannon W. Lucid—who joined NASA in 1978 as one of its first six female astronauts—checked…
How diffractive solar sails could stop a killer asteroid at 100 km/s
Asteroids don't come with a warning label that they might one day hit Earth. While we don't know of any currently on course to do so, we are finding thousands of new ones each yea…
FFA 2026 Hyperwall Schedule
FFA 2026 Hyperwall Schedule
Earth may have gained optimal conditions for life's chemistry 4.33 billion years ago
Conditions on early Earth may have become stable enough to sustain the chemistry associated with the origins of life around 4.33 billion years ago, according to new research co-le…
Risk of Hydrazine Use Following Freeze–Thaw Exposure
For more information, contact Jonathan E. Jones, Langley Research Center, jonathan.e.jones@nasa.gov Download the PDF version The purpose of this Technical Bulletin is to communica…
Silicon solar cells could cut satellite power costs by up to 90%
Switching to modern silicon solar cells could cut the cost of powering satellites by as much as 90% based on beginning-of-life (BOL) performance, according to a review led by the …
NASA’s Hubble Seeks Lensed Supernova, Marks 200,000 Orbits
NASA’s Hubble Space Telescope completed its 200,000th orbit around Earth on Sept. 19, marking another new milestone for an observatory that continues to transform our understandin…
UK to launch new military space squadron to protect satellites
Britain announced Wednesday that it will launch a new military space squadron to defend the country's satellites, the latest move as countries race to develop military space capab…
APOD: 2026 September 23 – A New Lunar Crater: McGetchin
APOD Science APOD APOD: 2026 September 23 – A… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the …
Boom Year for Desert Blooms
Carpets of wildflowers burst from arid, ochre-colored land in Western Australia following winter rains.
Curiosity Blog, Sols 5010-5015: Checking out the Bands
Catherine O’Connell-Cooper, APXS Strategic Planner and Payload Uplink/Downlink Lead, University New Brunswick, NB, Canada Earth planning date: Friday, Sept. 11, 2026 This week we …
Is a nearby advanced alien civilization out there waiting to pounce on Earth? Unlikely, says new study
Science fiction suggests that life on other planets, if it exists, is likely far more advanced than life on Earth. A recent study suggests otherwise.
Risks of Decompression Sickness and Venous Thromboembolism during Spaceflight and Patent Foramen Ovale Implications
NASA’s Office of the Chief Health and Medical Officer formed a working group in August 2026 to review the most recent data related to extravehicular activity (EVA) prebreathe test…
Earth's chorus waves show limited link to rapid electron loss from radiation belts
The Van Allen radiation belts are huge, doughnut-shaped regions of highly energetic charged particles trapped by Earth's magnetosphere. These charged particles play a major role i…