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

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

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

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 ...

When a scientific controversy or breakthrough dominates headlines, press officers and journalists often quote a handful of ...

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

Alien civilizations may have left traces. We just may not have been looking in the right place.

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

In “Disclosure Day,” in theaters now, Steven Spielberg is once again inviting audiences to ponder the existence of extraterrestrial life — and the implications it would have for religion ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

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 ...