NASA's Curiosity rover uncovered critical new samples, including a series of compounds planetary scientists consider building ...

Add Yahoo as a preferred source to see more of our stories on Google. Jacob Chansley, better known as the ‘QAnon Shaman’, ...

A famous corporate mascot inspired the alien suits in a classic "The Twilight Zone" episode. The writer later said the ...

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

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

Astronomers have long been puzzled by a cosmic mystery: planets orbiting two stars—like Star Wars’ Tatooine—are surprisingly rare, even though they should be common. New research suggests the culprit ...

A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

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

Available as of April 15, a new installment written by Peter Hogan, with art by Steve Parkhouse, will finally give Harry and his friends the sendoff the show never had. Fittingly, the series comes ...

Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...

Aristotle believed the planets revolved around Earth and God could not have created other worlds. Today, scientists scour the ...

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