Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

Incredible but true! A Harvard astrophysicist puts forward a startling hypothesis: comet 3I/ATLAS could be an alien ...

A mysterious object has been rocketing through space towards Earth, and according to some experts, it could arrive as soon as today. The object, known as 3I/ATLAS, has been the subject of speculation ...

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

Comet 3I/ATLAS, an interstellar visitor, reaches its closest approach to Earth on Dec 19 at about 167 million miles - visible only with a strong telescope. Newsround speaks to an astrophysicist to ...

Physicist Brian Cox says he’s disappointed to see people focus on alien theories when discussing 3I/ATLAS, which he notes is older than Earth ...

It flew too close to the Sun. Manhattan-sized comet 3I/ATLAS allegedly executed an unusual maneuver while approaching the Sun earlier this week, fueling theories that it could be an extraterrestrial ...

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 ...

A mysterious object spotted floating through our solar system last year might be an alien spacecraft that was investigating Earth, according to Harvard astronomers. The astronomers suggested the ...

An ominous UFO has breached our solar system and is hurtling toward Earth – and researchers suspect the extraordinary object may be an alien spacecraft sent to survey humanity ahead of an invasion, ...

Did an alien spacecraft just fly by Earth? That’s the question a lot of people, including Harvard astrophysicist Avi Loeb, are asking right now. A massive interstellar object called ...