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

The mysterious interstellar comet 3I/ATLAS is making its closest approach to Earth on Friday, offering scientists a rare opportunity to study an object born around another star. Space agencies are ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

Alien spaceships are in a league of their own, though. Earth does have a force field that could make a spacecraft landing ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

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

The answer is as obvious as it seems – the Earth looks flat when you're standing on it, not cone-shaped. Visual evidence ...

Hawaii’s Gemini North telescope has captured new images of interstellar comet 3I/ATLAS with a green glow as it remerges from ...

Scientists watching the nearby Fomalhaut star system have directly seen two protoplanets smash together for the first time. Then, they saw it happen again.

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