A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar to claims made about 'Oumuamua. But experts have called it "nonsense".

Earth's famous Hubble Telescope has just revealed the first images of a mysterious interstellar object racing through our ...

The photos reveal a bright and well-developed coma, the cloud of gas and dust surrounding the comet's nucleus, with striking ...

"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.

The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday ...