"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

White House taps polarizing Harvard astronomer to lead new UFO council - The team’s mission is to investigate the national ...

When people think of Gene Roddenberry, they usually think of Star Trek, which is understandable considering that the ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

A submarine eruption north of Papua New Guinea may be building new land while satellites track its evolution from above.