A strange, gleaming rock on Mars has jolted planetary scientists out of their routines, not because it is large or dangerous, but because it appears to be wildly out of place. The object, sitting ...

As November 2025 draws near, some scientists have ignited worldwide speculation with their analysis of the strange interstellar object 3I/ATLAS, hypothesising it could be an alien spacecraft poised ...

Add Yahoo as a preferred source to see more of our stories on Google. Despite data suggesting interstellar object 3I/ATLAS is simply a comet, Harvard astronomer Avi Loeb still thinks something is off.

Add Yahoo as a preferred source to see more of our stories on Google. An interstellar visitor to our solar system known as 3I/ATLAS has captivated the public for months, and it's not hard to see why.

An interstellar visitor to our solar system known as 3I/ATLAS has captivated the public for months, and it's not hard to see why. But for scientists around the world, the discovery that 3I/ATLAS is ...