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

On Dec. 19, 3I/ATLAS will be about 1.8 astronomical units away (170 million miles), almost twice as far as the average distance between Earth and the Sun (1AU orr about 93 million miles), according to ...

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

Everyone's favorite interstellar comet, 3I/ATLAS, flew past Earth overnight, coming within about 168 million miles (270 million kilometers) of our planet. When you purchase through links on our site, ...

The interstellar comet 3I/ATLAS is just days away from coming as close to Earth as it will ever get. Here's how you can track it and spot it.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Last Friday, the interstellar comet designated 3I/ATLAS completed its closest approach to Earth without crashing into us or depositing an invading armada.

Astronomer Avi Loeb argued that other objects like interstellar visitor 3I/ATLAS could be useful for reaching out to aliens, if they exist.