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

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

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 ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

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