The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

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 ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

When you're looking for signs of extraterrestrial intelligence, it helps to know what you're looking for and to go about it ...

If an alien in the Alpha Centauri star system were craving pizza, it would take tens of thousands of years to deliver it ...

There is a silence in the night sky that has bothered me for as long as I can remember. ” That line, attributed to Richard ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

Aliens, Arrival, Nope, Predator, Lilo & Stitch, E.T. the Extra-Terrestrial, and more make up our list of the best alien ...

Scientists have discovered unexpected water-ice clouds on a distant, Jupiter-like exoplanet, challenging current atmospheric ...

Add Yahoo as a preferred source to see more of our stories on Google. The Borg Queen in Star Trek: First Contact surrounded by Species 10-C and The Q Continuum - Static Media Across the expansive ...

Across the expansive history of the "Star Trek" franchise, humanity has encountered a growing number of alien races, many of whom that are exceedingly formidable when crossed. These are civilizations ...