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

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS ...

Interstellar object 3I/ATLAS nears Earth with a bizarre 'anti-tail' and 14 anomalies. Is it a comet or alien tech?

He cited the astronomical gaffe in January, when The Minor Planet Center in Cambridge, Mass., announced the discovery of an ...

Scientists in Boulder are using existing NASA spacecraft to track a rare interstellar comet called 31/ATLAS as it travels through Earth’s solar system.

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

A relic from the beginning of the galaxy has finally come out of the sun's shadow. It gives us a rare look at a cosmic ...

Kazakhstanis have a chance to see the well-known comet 3I/ATLAS. Expert Maksim Krugov explained how this can be done.

Remember that guy who recently said a strange comet currently transiting our solar system is in fact an alien spacecraft that could attack Earth this fall? Well, this story is not about him, but about ...

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 ...