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

On Tuesday President Donald Trump appointed a famous and controversial Harvard theoretical physicist, cosmologist and ...

One of the UFO world's most outspoken skeptics has apologized to one of its most famous whistleblowers. Michael Shermer's ...

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

WASHINGTON (AP) — A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a team of outside scientists to study the national security ...

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

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

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

"This is a detective story that can be resolved with better data," Harvard astrophysicist Avi Loeb told Newsweek.

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

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the ...