In a world easily startled by sensationalism, Tyson offers a cool, gentle voice of reason amid the unchecked fascination with alien visitation.

Theological debates suggest alien encounters might challenge religious traditionalists more than dismantle faith.

Steven Spielberg reveals Disclosure Day aliens were inspired by real UFO accounts as the film opens strong at the global box ...

Columbia University professor David Kipping predicts humanity's first alien encounter will be with a rare, "loud" technosignature from an unstable civilization. His "Eschatian Hypothesis" suggests ...

A declassified Cold War-era CIA document has gone viral for detailing a chilling encounter between Soviet soldiers and a UFO, in which extraterrestrial beings allegedly turned 23 troops into stone.