When people think about space threats, they usually imagine asteroid impacts, solar storms, or distant supernova explosions.
The Pentagon on 22 May 2026 released a second trove of once-classified images and video footage of unexplained flying objects ...
New findings suggest Mercury's ice was deposited rapidly rather than supplied gradually over long periods of time.
Astrobiologists are raising concerns that humanity’s search for alien life may be limited by the very tools designed to find it.
The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth.
Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...
JWST exoplanet direct imaging reached a new milestone when astronomers first characterized a cold super-Jupiter just 12 light ...
On May 25, 2008, NASA's Phoenix lander arrived on Mars. [‘On This Day in Space’ Video Series on Space.com]( Phoenix was NASA's sixth mission to ...
Scientists may have discovered how extraterrestrial civilizations could actually detect and find Earth.
Despite being the closest planet to the sun, Mercury has thick deposits of ice at its poles, and now we may understand the ...
NASA’s Psyche mission to investigate a metal-rich asteroid captured rare glimpses of Mars during a recent flyby.
NASA's exoplanet-hunting spacecraft TESS, or Transiting Exoplanet Survey Satellite, has released its most complete view of ...
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