These spheres from the abyss conceal creatures with startling biology.

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

(Gerard Soury/The Image Bank/Getty Images) In an abyssal chasm yawning deep beneath the Indian Ocean, a vast 'city of the ...

Humans have gazed at the stars at night and thought to themselves are we alone in the great ocean of space for hundreds of years? The universe is silent and there are advanced telescopes and deep ...

In an abyssal chasm yawning deep beneath the Indian Ocean, a vast 'city of the dead' has slowly been growing in the frigid darkness. Along some 1,200 kilometers (745 miles) of the Diamantina Fracture ...

Disclosure Day had people talking for its fresh take on alien contact and powerful sci-fi themes. These films follow the same ...

U.S. Immigration and Customs Enforcement agents arrested a Mexican man in the Oakhurst section of Ocean who it says was in ...

A provocative study suggests that Jupiter’s frozen moon Europa may not only be hospitable, but that life from Earth could be ...

A large neutral response can indicate several things. Scientists may judge the evidence genuinely inconclusive. They may hold an intermediate level of confidence. Or they may regard a claim as too ...

Steven Spielberg's claims of alien visits to Earth spark debate among scientists, who stress the lack of credible evidence ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Jellyfish have returned to the Gulf of Maine, and some can pack a nasty sting.