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.

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

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

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

This video explores obscure answers to the Fermi Paradox, asking why the universe seems silent if alien civilizations should ...

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 ...

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 ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...