Avi Loeb, a distinguished cosmologist who previously led Harvard’s astronomy department until 2020 and conducted extensive research on black holes, was recently appointed to chair a new scientific ...

It comes after the US president directed his administration to declassify more information on the issue ...

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

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 ...

A distant galaxy nicknamed Shadow Blaster may have revealed a surprising source of cosmic neutrinos: extreme star formation instead of a supermassive black hole. The discovery suggests that hidden, ...

NASA briefings mention an apparent "alien star base" on the Moon, the latest trove of UFO files has revealed. Audio from a previously classified NASA meeting following the Apollo 16 mission in the ...

Famed astrophysicist Neil deGrasse Tyson joins Saturday TODAY to chat about this new book “Take Me to Your Leader: Perspectives on Your First Alien Encounter” and reveals who he thinks aliens should ...

It's impossible to overstate the influence James Cameron's Aliens has had over video games. From rowdy hoots and hollers of Halo's interplanetary Marines to layered rows of gnashing insectoid teeth in ...