What may be a first-of-its-kind U.S. spy satellite is set to lift off Thursday atop an Atlas V rocket.
Astronomers have spotted what appear to be two supermassive black holes at the heart of a remote galaxy
NASA's Curiosity Mars rover and its recent tracks from driving in Gale Crater appear in an image taken by the High Resolution Imaging Science Experiment (HiRISE) camera
A Minneapolis, MN, witness reported watching a large black, triangle-shaped object hovering and moving slowly below a skyscraper that appeared to be about the size of a Volkswagen
After a year of observations, scientists waited with bated breath on Nov. 28, 2013, as Comet ISON made its closest approach to the sun, known as perihelion.
The Central Intelligence Agency may have violated the Speech or Debate clause of the U.S. Constitution
Continuing a history of surprising behavior, material from Comet ISON appeared on the other side of the sun on the evening on Nov. 28, 2013
A brain-computer interface allows people to use only their thoughts to control a flying quadcopter
It was twilight on a warm Sunday evening in mid-June 1970 in East Aurora, NY.
The first F-35 Lightning II assigned to the 56th Fighter Wing was officially delivered during a ceremony at Luke Air Force Base (AFB) in Glendale, Ariz.
Arctic sea ice has been in sharp decline during the last four decades. The sea ice cover is shrinking and thinning...
DARPA’s Z-Man program has demonstrated the first known human climbing of a glass wall using climbing devices inspired by geckos.
NASA's built and is sending a set of high-tech legs up to the International Space Station for Robonaut 2 (R2), the station's robotic crewmember.
Before Apollo astronauts went to the moon, they went to Hawaii to train on the Big Island's lunar landscapes.
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