Fresh allegations that US intelligence agencies may be secretly holding recovered alien technology have revived one of ...

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

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

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

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 ...

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

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

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

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

The SETI Institute said Wednesday that extensive radio scans by its telescope in Northern California found no signs of ...

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