The mission is still in the early stages of its conception, with contracts given recently to firms.

For the last decade Harvard astronomer Avi Loeb has been scanning the skies and seas for evidence of intelligent alien life.

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.

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

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

Learn about a new working paper that argues that consciousness may not be limited to Earth-like biology, raising the ...