The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

'Do all aliens really need sunlight?' ...

Alien megastructures built to harvest stellar energy or alter the orbits of stars may be physically feasible, according to a ...

"Star Trek" might be one of the most legendary, iconic sci-fi shows in the history of television, but that doesn't ...

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new "hot ...

Finding life beyond our solar system goes beyond measuring an exoplanet's size, as rocky, Earth-sized worlds might not have ...

In 'Project Hail Mary,' a human and an alien figure out how to cooperate across space. In real life, we can't see that fellow humans are our neighbors.

What happens if alien contact stops being science fiction and becomes real? From mysterious interstellar objects to the possibility of signals, peaceful arrival, or outright attack, the deeper ...

No Man's Sky Xeno Arena is the latest major update to the game, adding pokemon like battles to the game, with evolutions, ...