Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year ...

Top Astronomers Just Revealed the Most Convincing Proof of Alien Life Until Today ...

While idea may violate Occam’s razor, “it remains a speculative but logically open alternative,” says biologist Robert Endres ...

Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their formation but ours managed to hit.

The new plot twist is that in order to keep enough nitrogen and phosphorus near its surface, a planet has to start out with ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...

Astrobiologists propose that alien civilizations need accessible coal deposits to industrialize exoplanets and become detectable from Earth.

And, while we have no solid evidence of life outside our own planet—despite a large number of unexplained "UFO"-type observations —the sheer size of the known universe, and our knowledge of how ...