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 ...

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

A Catholic nun is sounding the alarm over the growing fascination with aliens, warning that alleged encounters could have ...

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 interstellar comet that blazed past the sun last year could be nearly three times older than our solar system and is ...

Military and commercial pilots are increasingly treated as star witnesses in UFO debates, but psychologists warn their ...

Christian apologist Frank Turek says the discovery of aliens would not undermine Christianity, arguing any extraterrestrial ...

Astrophysicist and science communicator Neil DeGrasse Tyson, 67, dropped a bombshell and told the government to “show the ...

No bombshells so far in the latest Pentagon batch of declassified Unidentified Anomalous Phenomena files. But they show the CIA hid its involvement.

Anthony Salvanto, Ph.D., is CBS News' executive director of elections and surveys. He oversees the CBS News Poll and all surveys across topics and heads the CBS News Decision Desk that estimates ...