Sierra Nevada Corporation's (SNC) Space Systems Dream Chaser flight vehicle arrived at NASA's Dryden Flight Research Center in Edwards, Calif.
Of all the 6,700 previous top-secret files in the FBI’s online reading room, one single- page memo about a UFO report has attracted almost a million viewers
The true identity of centaurs, the small celestial bodies orbiting the sun between Jupiter and Neptune, is one of the enduring mysteries of astrophysics.
NASA this week put the official stamp on an initiative to capture a near-Earth asteroid and haul it back
A petition calling for the White House to attend a Citizen Hearing on Disclosure at the National Press Club in April of 2013 has been posted.
Following last week’s announcement that Curiosity had found conclusive evidence that Mars was once capable of supporting life
During a year of budget cuts that has the U.S. military freaking out, the Navy is improbably signaling it’ll take major steps forward on developing laser cannons.
During more than 65 years of research, Fawcett wrote numerous articles about unidentified flying objects in such publications as Argosy, True magazine and Flying Saucers Review.
Residents of Salinas, Calif. were baffled and amazed by a mysterious crop circle discovered in a field Monday morning.
(Reuters) - Scientists at Europe's CERN research center have found a new subatomic particle, a basic building block of the universe
A little-known U.S. space plane quietly broke its own space endurance record this week as its current unmanned mission surpassed 469 days in space.
NASA's Cassini spacecraft has captured Saturn's rings and our planet Earth and its moon in the same frame.
'Something unexpected' is happening on the Sun, Nasa has warned.
A woman who found what appears to be an 11-year-old boy’s body says she knew where to look and police Thursday are not refuting her claim.
435-448 of 1056