Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

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 ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

Harvard astrophysicist Avi Loeb has floated the provocative idea that humans might themselves be alien‑made 'autonomous probes,' built through advanced synthetic biology rather than evolving entirely ...

Neil deGrasse Tyson’s 'Take Me To Your Leader' turns alien perspective into a witty cosmic mirror, questioning human intelligence, leadership, technology, ego and our place in the universe today too.

This article contains spoilers for Disclosure Day. For a movie titled Disclosure Day (review), the new Steven Spielberg film sure keeps things mysterious for most of its 145-minute runtime. Trailers ...

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

NASA’s Viking 1 lander set down in the Chryse Planitia region of Mars. Its identical twin, Viking 2, followed on Sept. 3 of ...

Steven Spielberg’s sci-fi thriller directorial, Disclosure Day, has been making the headlines for all the right reasons. Being released at a time when UFO Files are being released by the Department of ...

A team of remote viewers and sky watchers take to Mount Adams to perform an intricate experiment, in this clip from Season 18, "Ancient Aliens On Location: The UFO Investigations." Trump says SCOTUS ...