Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

Emily Blunt, Colman Domingo, and Josh O'Connor share how their perspectives on extra-terrestrials and unidentified anomalous phenomena (UAPs) have changed since working on "Disclosure Day." ...

The recent discovery of an enigmatic substance on the surfaces of both Titan, Saturn’s largest moon, and Pluto, our solar ...

Beneath the icy silence of Antarctica's famous Dry Valleys lies a world so unusual that it often resembles another planet.

"Disclosure Day" director Steven Spielberg says his latest alien UFO movie is "built on a foundation of truth." ...

A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

LOS ANGELES (AP) — In “Disclosure Day,” out Friday, Steven Spielberg is once again inviting audiences to ponder the existence of extraterrestrial life — and the implications it would have for religion ...