Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other solar systems, even if that was not their original intention. Five robotic ...

Last summer, a NASA-funded asteroid impact warning system detected a mysterious object speeding through the solar system. Scientists determined the object had entered the solar system from deep space, ...

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Add Yahoo as a preferred source to see more of our stories on Google. While the scientific community has overwhelmingly concluded it’s a comet, researchers wanted to find out for sure whether 3I/ATLAS ...

Astronomers have reported the discovery of an unusual X-ray transient detected by the Einstein Probe that does not fit any ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

Alien probes could already be hiding somewhere in our Solar System – and our current surveys are nowhere near good enough to rule them out, according to a NASA‑linked study presented this month by ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...