A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have ...

3I/ATLAS is not just another comet drifting by. This object likely formed around another star, may be older than our Sun, and is now showing signs of disintegration in real time. In this video, we ...

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech ...

The USA released the alien files, revealing declassified accounts of UAP and UUFO events, and there's parallels there with ...

An oddity among exoplanets, L 98-59 d is (so far) in a class all its own, but astronomers expect powerful new telescopes will ...

If Project Hail Mary left you craving more space adventures, these 15 books deliver just that.

Becca Caroline explains that scientists have discovered that the planet, TRAPPIST-1e, exists in the habitable zone around its ...

An almost unkillable fungal strain isolated from NASA’s ultrasterile clean rooms hints at “critical gaps” in interplanetary ...

Pluto was believed to be the only body beyond Neptune with an atmosphere. Now, a new discovery in our solar system is ...

Astronomers have spotted something surprising in the far outer Solar System—a faint, short-lived atmosphere clinging to a ...

Until the U.S. government has data or samples of alien material that can be shared, the story of extraterrestrial visitors is ...