NASA’s Space Launch System, or SLS, will be the most powerful rocket in history.
NASA this week put the official stamp on an initiative to capture a near-Earth asteroid and haul it back
Sierra Nevada Corporation's (SNC) Space Systems Dream Chaser flight vehicle arrived at NASA's Dryden Flight Research Center in Edwards, Calif.
We were too far away to try to stop it. All we could do is watch, helpless, horrified, and secretly delighted, as the event unfolded beyond our reach.
At least ten dead birds were discovered in a garden the same day a huge UFO was sighted hovering over Salterbeck
Residents of Salinas, Calif. were baffled and amazed by a mysterious crop circle discovered in a field Monday morning.
The true identity of centaurs, the small celestial bodies orbiting the sun between Jupiter and Neptune, is one of the enduring mysteries of astrophysics.
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
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.
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.
Earth could continue to host life for at least another 1.75 billion years, as long as nuclear holocaust, an errant asteroid or some other disaster doesn't intervene
A CIA employee who refused to sign a non-disclosure agreement barring him from discussing the Sept. 11, 2012 terrorist attack in Benghazi, Libya, has been suspended
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