The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

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, ...

This brings us to the complexity of NASA's announcement. "Confirmed planets are added to the count on a rolling basis by ...

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 ...

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

NASA has firmly debunked a Harvard astronomer's suggestion that an interstellar comet passing through our solar system might ...

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