Aliens are visiting our solar system. Not little green men, sadly, but natural alien objects—cosmic bodies such as comets and ...

Astronomers think small space rocks from beyond our solar system routinely strike Earth—but proving it isn’t easy ...

The likelihood of a potentially hostile alien threat hitting Earth has been assessed after a scientist's chilling warning ...

China's Tianwen-2 probe continues on its journey to rendezvous with a near-Earth asteroid (NEA) before heading to the main asteroid belt. The second in China's interplanetary exploration program ...

As scientists wait for the asteroid to reappear, its revised trajectory is now drawing attention to another possible target: ...

This year, the alert system for defending the planet against incoming space rocks was activated for the first time. It won’t be the last ...

Impact craters are formed when an object from space such as a meteoroid, asteroid or comet strikes the Earth at a very high ...

NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat to our planet.

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

And on Tuesday (July 15), they released several stunning images, including a close-up shot of the comet's coma — the cloud of ...

Predicting the precise path of a new asteroid or comet is a complex affair; the more observations you have, the better you know where an object will be, years hence.