The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

NASA spacecraft observed the celestial iceball as it swung past Mars last October, venturing within 19 million miles ...

Even though astronomers didn’t detect alien tech signals from a rare interstellar visitor, the results are worthwhile, they ...

There were no 'technosignatures' from comet 3I/ATLAS, the third known object from a faraway star The group leading the charge ...

The often controversial Harvard astronomer Avi Loeb, fresh from speculating whether interstellar comet 3I/ATLAS could be an alien spacecraft, is back pointing at another unusual comet and asking ...

SETI Institute's radio scans of interstellar comet 3I/ATLAS found no evidence of alien technology, confirming its natural ...

The Trump administration's Department of Defense released its first batch of files regarding "unidentified anomalous phenomena" in May 2026.

Scientists have searched one of the only known visitors to us from another solar system for signs of alien technology – and ...

To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.