On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

Among the most persistent claims is that extraterrestrials assisted in the construction of ancient civilizations.

Olympian Elana Meyers Taylor won her first gold medal in Cortina, adding to a collection that already includes three silvers and two bronzes. The US women’s hockey also advanced to the gold medal game ...

Lindsey Vonn says surgery saved her from having her left leg amputated American skier Lindsey Vonn says she nearly lost her left leg following a frightening crash in the women's downhill at the Milan ...

Pima County Sheriff defends evidence handling in Nancy Guthrie abduction case Pima County Sheriff Chris Nanos defended his decision to send newly discovered evidence in the Nancy Guthrie abduction ...

A private Florida DNA lab is analyzing evidence in the abduction of Nancy Guthrie, mother of "Today" co-anchor Savannah Guthrie. The decision to use a private lab instead of the FBI has drawn scrutiny ...