The interstellar visitor Comet 3I/ATLAS passed Earth with Harvard astrophysicist Avi Loeb saying it could be an alien probe.

A routine piece of SpaceX’s vast internet constellation has turned into a real-time stress test of how the world handles broken hardware in low orbit. After a serious malfunction, a Starlink satellite ...

The delivered thrusters will enable the Gateway station to reach and maintain its orbit around the Moon, supporting Artemis ...

An instrument aboard NASA’s Europa Clipper spacecraft captured rare ultraviolet observations of an interstellar comet while Earth-based telescopes were blinded by the Sun. The spacecraft’s unique ...

NASA’s Johnson Space Center achieved key 2025 milestones, including Artemis II Orion stacking, lunar payload deliveries, ...

NASA’s SPHEREx has mapped the entire sky in 102 infrared colors, which are invisible to the human eye but can be used to ...

Comet 3I/ATLAS will be closest to Earth around 1 a.m. ET Friday, Dec. 19, according to Space.com, citing calculations from ...

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 ...

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

Back in January, a small spacecraft built by a California-based company called Impulse Space launched along with a stack of ...

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