A space instrument built by the University of Colorado Boulder will launch aboard a NASA spacecraft on Sept. 23 to detect and ...

For decades, people have asked if life ever existed on Mars. The question moved from science fiction to careful science with ...

NASA's Advanced Composite Solar Sail System (ACS3) will be visible from the ground. Find out when you can see it on the NASA app on a mobile device. Credit: NASA/JPL-Caltech ...

The sun has become increasingly active since 2008, a new NASA study shows. Solar activity is known to fluctuate in cycles of 11 years, but there are longer-term variations that can last decades. Case ...

NASA is preparing to launch a new observatory that will help scientists better understand space weather and the protective ...

NASA's new space weather missions aim to shield Earth from solar storms, preventing blackouts and safeguarding satellites, ...

Experiments on Earth indicate some common species of bacteria and fungi could survive for several days on the moon's surface, ...

NASA has responded to speculation that mysterious interstellar object 3I/ATLAS is actually an alien starship preparing to invade Earth.

The Japanese Hayabusa2 spacecraft visited the asteroid Ryugu, which had flowing water for over a billion years. This unexpected discovery, made when the spacecraft collected and returned samples, adds ...

Do we know what space actually smells like? And what about other planets, moons, and celestial bodies? Here's what the ...

“The most likely trigger was an impact on a larger asteroid parent of Ryugu, which fractured the rock and melted buried ice, ...

The idea was that high-powered lasers would propel tiny probes to 20 percent of the speed of light, impelling them with ...