A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

A Catholic nun made a startling assertion about UFOs, cautioning that purported alien encounters are in fact a menacing ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

Steven Spielberg's claims that aliens have already visited Earth have drawn a mixed but pointed scientists' reaction this week, with astrophysicists in the UK and Australia stressing that while ...

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

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a ...

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

Steven Spielberg's new film “Disclosure Day” explores extraterrestrial life and its impact on religion. UFOs, now also called UAPs, are gaining mainstream attention.

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

Titan, Saturn's largest moon, is home to vast lakes and seas - not of water, but of liquid methane and ethane. In this video, ...