From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

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 ...

Avi Loeb, a renowned Israeli‑American astrophysicist and Harvard professor, has become one of the most provocative voices in the search for extraterrestrial life. Director of the Institute for Theory ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

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 ...

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

A comet that is likely much, much older than our solar system has spent months traipsing through Earth's cosmic neighborhood. And at long last, NASA has unveiled an unprecedented look at the object, ...

The comet is the 3rd interstellar object ever detected and got its name from the ATLAS telescope that discovered it. NASA officials have rejected conspiracy theories that the object could be an alien ...

Conspiracy theories have raged about 3I/ATLAS being an unnatural object. But the alien question, while fun, generates misinformation and distracts from the science. When you purchase through links on ...