Ancient Greeks believed in alien life, as well as in gods, souls, and beings that inhabited the Moon, stars, and Heavens.

A throwaway line about Vulcan sparked decades of debate, until one clever theory finally made it official canon.

Scientists reveal how waves behave on alien planets, from towering methane seas on Titan to nearly still lava oceans on ...

A lunar far side experiment finds no alien signals but proves the Moon could offer the quietest listening post yet for future ...

Learn how a new model shows how waves form on alien oceans, revealing that gentle winds could create massive swells on Titan, ...

Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

NASA has released stunning new Artemis II images, including a “Crescent Earthrise” and detailed views of the lunar farside.

Scientists say caves on Mars and icy moons may host microbial life and serve as future habitats for astronauts to be sent to ...

When a hunk of ice from another star system hurtles through our cosmic neighborhood, astronomers pay attention. When that ...

Behind the acid blood and jump scares of the Alien franchise is an even more insidious horror: a single employer with ...

If you are a lover of space exploration, movies, and video games, the past month or so has been one of the most exciting ...

In the town forever linked to a crashed object in 1947, belief has become an industry – and disbelief almost beside the point ...