Planet Earth could be giving out its own signals, which could in turn be detected by distant astronomers on an alien planet ...

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 ...

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

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 ...

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

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

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

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

In July 2025, astronomers spotted something remarkable passing through our Solar System, an object that had not come from ...