The blockbuster release of Pentagon UFO files under President Donald Trump's push for transparency has triggered widespread ...

CAPE CANAVERAL, Fla. (AP) — The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to be completely natural and free of any alien ...

For decades, stories of "strange lights in the sky" were relegated to the fringes of society, the stuff of science fiction ...

The "NEO Hunter" mission would use Blue Origin's Blue Ring spacecraft to deflect space rocks. This plan builds on NASA's successful DART mission, which proved an asteroid's path could be altered.