NASA's hunt for alien life may be undermined by its own instruments, according to a group of leading astrobiologists who warn that current tools and mission designs are likely missing subtle, but ...

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

The “post-detection protocols” for announcing the discovery and existence of alien life have just had their first major ...

The long-running series in which readers answer other readers’ questions comes up with an epic extraterrestrial playlist for Earth’s first contact from beyond the stars ...

Overlooking signs of alien life may be humanity’s biggest mistake, according to scientists warning NASA could miss hidden ...

The IAA SETI Committee has updated rules for evaluating and revealing the detection of extraterrestrial intelligence.

Astronomer Jon Willis warns that alien signals could be passing Earth unnoticed because humans are searching on the wrong ...

When ET phones, don’t pick up. Scientists have outlined a set of protocols for responding to extraterrestrial contact, ...

For decades, scientists have scanned the stars for even the faintest whisper of intelligent life. Now, with fresh government ...

This could be why we still haven’t found alien life - Traces left behind by organisms on alien worlds may be too subtle to ...

Astronomers swept millions of candidates and found no alien signals from K2-18b, setting the first power limit on any ...

Bill Maher drew peals of laughter from star astrophysicist Neil deGrasse Tyson by zeroing in on the "butthole" aspect of ...