NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

The first experience that an alien civilization might have of us may not be telecommunications – no ETs watching early The Simpsons episodes. Astronomers have found that up to 200 light-years away, ...

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 ...