As this celestial nomad, dubbed 3I/ATLAS, makes its closest approach to Earth this week — reaching its minimum distance at 1 ...

Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing position tonight.

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

Interstellar comet 3I/ATLAS made its closest approach to Earth early on Friday, Dec. 19. While it didn't come close enough to ...

The livestream will now begin Friday at 11 p.m. EST, Dec. 19 (0400 GMT on Dec. 20), weather permitting, after rain prevented ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

Interstellar comet 3I/ATLAS will fly by our planet at a safe distance of 1.8 astronomical units (roughly 167 million miles or ...

Federal officials are set to testify Thursday morning before the House Science, Space and Technology Committee on implementation of the CHIPS and Science Act, which aims to bolster domestic ...

Jeff Bezos' Blue Origin will launch six more people into space, including a Florida resident. Here's how to watch it live.

The interstellar comet is set to make its closest flyby on December 19, a date everyone has been waiting for. You can catch ...

Live updates from the Starlink 6-99 mission, which launched 8:42 a.m. Dec. 17 from Pad 39A at NASA's Kennedy Space Center.