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

I thought about the interstellar visitor as my daughter, wife, and I took turns dragging his wandering monster truck balloon ...

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

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

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

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

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

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.

The interstellar comet 3I/ATLAS contains water and carbon molecules at levels never before seen in our solar system. This suggests that it formed around an alien star radically different from and much ...

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, ...