Blog

Auroras
International Space Station (ISS)
A green and red aurora streams across Earth’s horizon above the city lights of Europe in this Jan. 19, 2026, photograph, which looks north across Italy toward Germany. The International Space Station was orbiting 262 miles above the Mediterranean Sea at approximately 10:02 p.m. local time when the image was captured. Also known as the […]
Posted January 23, 2026
Astromaterials
Earth's Moon
Johnson Space Center
A new NASA study of its Apollo lunar soils clarifies the Moon’s record of meteorite impacts and timing of water delivery. These findings place upper bounds on how much water meteorites could have supplied later in Earth’s history. Research has previously shown that meteorites may have been a significant source of Earth’s water as they […]
Posted January 23, 2026
Chandra X-Ray Observatory
General
Marshall Astrophysics
Marshall Space Flight Center
Like a recording artist who has had a long career, NASA’s Chandra X-ray Observatory has a “back catalog” of cosmic recordings that is impossible to replicate. To access these X-ray tracks, or observations, the ultimate compendium has been developed: the Chandra Source Catalog (CSC).
Posted January 23, 2026
Uncategorized
106th American Meteorological Society (AMS) Meeting, January 25 – 29, 2026 Join NASA in the Exhibit Hall (Booth #323) for Hyperwall Storytelling by NASA experts. Full Hyperwall Agenda below.
Posted January 23, 2026
Nancy Grace Roman Space Telescope
Exoplanet Detection Methods
Exoplanets
Galaxies
Goddard Space Flight Center
Gravitational Microlensing
Stars
The Milky Way
The Universe
At the heart of our own galaxy, there is a dense thicket of stars with a supermassive black hole at the very center. NASA’s Nancy Grace Roman Space Telescope will provide the deepest-ever view of this zone, revealing stars, planets, and unique objects that resist definition. Based on the input of astronomers from across the […]
Posted January 23, 2026
RS-25
Stennis Space Center
NASA successfully conducted a hot fire of RS-25 engine No. 2063 on Jan. 22 at the Fred Haise Test Stand at NASA’s Stennis Space Center near Bay St. Louis, Mississippi, clearing the way for the engine to be installed for the agency’s Artemis IV mission.   The RS-25 engines help power NASA’s SLS (Space Launch […]
Posted January 23, 2026
Astrophysics
Exoplanets
Goddard Space Flight Center
Stars
TESS (Transiting Exoplanet Survey Satellite)
The Universe
Jan. 23, 2026 NASA’s TESS Returns to Science Observations NASA’s TESS (Transiting Exoplanet Survey Satellite) entered safe mode Jan. 15 and returned to normal science operations Jan. 18.  The operations team determined the issue arose when TESS slewed to point at a target, but its solar panels did not rotate to remain pointed at the […]
Posted January 23, 2026
Clouds
Earth Observatory
Extreme Temperatures
Extreme Weather Events
Moderate Resolution Imaging Spectroradiometer (MODIS)
Snow
Terra
A blanket of snow spanned Michigan and much of the Great Lakes region following a potent cold snap.
Posted January 23, 2026
The Space Shuttle Challenger Memorial is seen during a wreath laying ceremony that was part of NASA’s Day of Remembrance, Thursday, Jan. 22, 2026, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Each January, NASA pauses […]
Posted January 23, 2026
For Researchers
Grants & Opportunities
Lunar Science
Planetary Science
Science Mission Directorate
This letter from SARA is to issue a waiver for NASA grantees attending LPSC2026, allowing them to be reimbursed out of their grants for their actual lodging, although it’s expected to be above the approved GSA amount. This waiver does not supersede the travel policy of your institution if it is more restrictive. Note: I have […]
Posted January 23, 2026
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