Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

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

In 1877, an Italian astronomer mapped faint lines on Mars and called them canali, meaning channels or grooves. But the word ...

In honor of America's 250th birthday, here are 50 must-see American movies that celebrate who we are, who we've been and who ...

A federal filing shows President Donald Trump took in nearly $1.2 billion from his crypto businesses last year, locking in ...

Stacker compiled a collection of 70 images that show how the '70s changed the world. See photos of the decade's defining ...

A large asteroid will zip past Earth this weekend, but don’t worry: It poses no danger. The space rock — 1997 NC1 — makes its ...

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

A one-of-a-kind NASA space telescope is about to fall out of the sky. For more than two decades, the Neil Gehrels Swift ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

NASA is racing to save its Swift telescope from falling back to Earth with a daring rescue mission. The salvage effort gets ...

On the night of June 26, Ukrainian drones allegedly launched strikes in Russia's Tula Oblast, specifically aiming at the city ...