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

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

Astronomers have recently turned their attention to a mysterious object from outside the solar system—3I/ATLAS. By analyzing archival data from NASA's Transiting Exoplanet Survey Satellite (TESS), ...

There's some bizarre action going on with 3I/ATLAS, the interstellar object which some have claimed could be an 'alien threat ...

Riding alongside IMAP, NOAA's SWFO-L1 will serve as a dedicated solar alert system, monitoring space weather and energetic ...

NASA's Voyager 1 launched 48 years ago in September 1977 on a decades-spanning journey to study the cosmos and search for ...

NASA's IMAP mission will give Earthlings a sort of early warning system when solar weather may affect satellites and global ...

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

According to NASA, an asteroid the size of a 50-storey building will make a close approach to Earth this week.The rock known ...

OSIRIS-REx samples from Bennu contain stardust older than the Sun, preserving clues to the solar system’s earliest history.

NASA has banned Chinese citizens with US visas from participating in agency programs — a dramatic escalation in the space ...