Interstellar comet 3I/ATLAS makes its closest approach to Earth on Dec. 19. Here's how you can track its progress both during ...

Launched in March, NASA's SPHEREx space telescope has completed its first infrared map of the entire sky in 102 colors.

Scientists had stumbled on the dusty debris from two cosmic crashes. Massive space rocks slammed together to create clouds of ...

David Rankin of the Catalina Sky Survey in Arizona spends nights scanning the solar system for potentially catastrophic space ...

Comet 3I/ATLAS, the third interstellar object ever detected, will swing closest to Earth overnight from Thursday to Friday ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

NASA's Hubble Space Telescope and Chandra X-ray Observatory joined forces to find an elusive intermediate mass black holes in ...

Comet 3I/ATLAS is the third known interstellar comet after 2017's 1I/'Oumuamua and 2019's 2I/Borisov. It was discovered on ...

I've taken incredible photos of this interstellar comet for more than a month using two tiny iPad-connected scopes in my ...

He explained: "Stars are a common motif in Christmas decorations, but stargazing isn't always something you think of on a ...

Keen stargazers can spot a number of Christmas-themed constellations in the sky this winter, including the Christmas Tree ...

Learn about the collisions between space rocks that have created huge dust clouds, one of which was previously mistaken for ...