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

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

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

Study pinpoints which rocky worlds could hang on to a life-supporting atmosphere ...

In the 21st century, the theories regarding the existence of aliens refuse to dial down. Now, the recently resurfaced NASA photo of Martian planet has gone viral on various social media ...

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.

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

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

In the second season of “Sugar,” Colin Farrell’s character has to deal with life alone. At the end of the first season, it ...

Scientists in a recent breakthrough have discovered vast hidden magma systems beneath the surface of Mars, marking an “unexpected discovery” leading the researchers closer to finding the clues of ...

A polarizing Harvard astronomer has been appointed to lead a Trump administration panel studying UFOs. Avi Loeb is leading a ...