Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the ...

A Harvard University professor known for his polarizing theories about extraterrestrial life has been tapped by the White ...

Somewhere in the Mojave Desert, a gleaming white dome sits in the middle of nowhere, and the story behind it is stranger than ...

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

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

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 ...

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

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.