As its name suggests, ViaSat-3 F3 is the third ViaSat-3 satellite to reach space. ViaSat-3 F1 did so atop a Falcon Heavy in ...

Searching for alien life by looking for specific signals from individual planets may overlook a larger pattern, new research ...

This image provided by NASA on Monday, April 6, 2026, shows a view of the moon taken by the Artemis II crew before going to sleep on flight day 5. (NASA via AP) Show more Show less This image provided ...

Less than a year ago, astronomers discovered a comet soaring through our sky that was not from our solar system. Although we ...

From the first photographer star to the discovery of alien worlds, these night sky targets mark some of astronomy's greatest ...

A telescope tracked an alien comet after its solar pass, and the chemistry it found inside was nothing like what came before.

NASA's SPHEREx space telescope reveals widespread water ice in Cygnus X, showing how dust shields molecules in star-forming ...

The disappearances and deaths of 10 government workers tied to nuclear or space technology have sparked speculation online.

Explore the UFO mysteries J. Allen Hynek uncovered with Project Blue Book and how his findings challenged the Air Force's ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

Plus: Google, Microsoft, and Meta track users even when they opt out. This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the world of ...

SAN DIEGO — The return of NASA’s Artemis II mission relies not only on spacecraft engineering but on a carefully coordinated recovery operation led in part by the U.S. Navy off the coast of Southern ...