On Thursday (Dec. 18), President Donald Trump issued an executive order entitled "Ensuring American Space Superiority." ...

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

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

A new study finds that, with the immense quantity of satellites that hurtle in Earth's orbit today, the first smashup would ...

While NASA's James Webb Telescope and other instruments have already spotted abundant water vapor, carbon monoxide and carbon ...

Comet 3I/ATLAS will make its closest approach to Earth at 1 a.m. EST (0600 GMT) on Dec. 19. At that time, it will be about ...

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

On December 17, Starlink experienced an anomaly on satellite 35956, resulting in loss of communications with the vehicle at ...

STP-30 will operate the first-ever DiskSats, a new type of spacecraft developed by The Aerospace Corporation with funding ...

"Avatar" didn't quite kickstart a stereoscopic revolution — though it did prompt thousands of cinemas to get 3D-ready — but ...

Aerospace engineer Michi Benthaus will become the first wheelchair user ever to reach space today (Dec. 18), and you can ...

Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar ...