Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

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

This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

Video evidence shows an unidentified object that resembles a “tic tac” off the coast of San Diego, in this clip from Season 3 ...

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

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

Laramie County Sheriff Brian Kozak and his office “engaged in the obstruction of justice by blocking access to critical ...

God and aliens are having a moment. But what do Christianity and other faiths really teach about ETs?