Harvard astornomer Avi Loeb suggests interstellar object 3I/ATLAS could've sent off the Wow! Signal back in 1977.

The astronaut heard the noise during a mission in 2003, a sound that could not be explained at the time, and neither had it ...

Mysterious space "bang" GW190521 could be our first evidence of another universe, detected through gravitational waves from a ...

A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien ...

Scientists have proposed a new explanation for Venus' giant, crown-shaped geological features, known as coronae.

Comet 3I/ATLAS, the third interstellar object ever detected, will be visible from ground-based telescopes through the end of ...

Harvard astrophysicist Avi Loeb suggests interstellar object 3I/ATLAS could be far more massive than previously thought.

Space is full of mysterious sounds, some of which even have explanations. But that's far from the case when it comes to this ...

In July, NASA reported its ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Chile identified a comet ...

Buried deep in Greenland's ice sheet lies a puzzling chemical signature that has sparked intense scientific debate.

A light streaking the Bay Area sky on Thursday night sparked the curiosity of those who witnessed it and those who are seeing ...

Mystery toxic ‘space capsule’ crash lands in farm as bomb squad deployed - Experts warned police the strange-looking capsule, ...