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

Why are we allowing unidentified objects to operate with impunity in our skies?” one expert testified Tuesday.

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

A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...

Scientists have found a hidden biosphere stretching miles beneath Earth’s surface and as deep as 6 miles below the seafloor.

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 pilots dubbed the fireballs “foo fighters” but had no idea what they were. Plasma? Enemy tech? Aliens? We still haven’t ...

Space exploration was a major theme of a state House hearing on Tuesday, even as the budget deadline looms over lawmakers.

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, ...

A Harvard astronomer, known for his provocative theories regarding extraterrestrial visits, has been selected by the White ...

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

A man who claims to be a time traveler from the year 2118 has made a series of extraordinary predictions about the future, ...