A viral tweet claims new XRISM images show interstellar comet 3I/ATLAS glowing like a spaceship engine, fuelling speculation that it may be an alien probe. Here is the truth behind the theory and what ...

A comet from another solar system has given rise to reports that it is in fact an alien spaceship. The comet – named 3I/ATLAS – was discovered this summer and led to excitement because it appears to ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

The comet 3I/ATLAS, the third confirmed object to fly into our solar system from interstellar space, has behaved in unexpected ways since it was first detected on July 1 this year, fuelling scientific ...

In an extraordinary astronomical event, the Chinese Mars orbiter Tianwen-1 has captured the first close-up images of Comet 3I/Atlas as it made a close flyby of the Red Planet in October 2025. The ...

NASA aimed to set the record straight on the nature of the 3I/ATLAS during a press conference held on Wednesday evening. The interstellar object has fascinated experts and everyday space enthusiasts ...

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's difficult to believe that, given the enormous extent of outer space around us, there aren't other life forms out there. Humanity has long been intrigued by the idea, with movies, books, and TV ...

A viral tweet claims a secret government telescope spotted interstellar comet 3I/ATLAS a year early and leaked the information to Jeremy Corbell. Here is what the theory alleges and what astronomers ...