Rocket launches aren't just amazing sights for people on Earth. They wow astronauts in space, too.
NASA's Mars rover Curiosity just might be the latest in a long line of Mars-exploring robots to discover the building blocks for primitive life on the Red Planet.
“My administration,” President Obama wrote on his first day in office, “is committed to creating an unprecedented level of openness in government.”
NASA's Hubble Space Telescope has uncovered the largest known population of globular star clusters, an estimated 160,000
Blown away by Hurricane Sandy: News of the Sept. 11 attacks in Benghazi, Libya.
The Pentagon says that the U.S. military was ready within a few hours of the terrorist attacks on U.S. outposts in eastern Libya to respond to numerous possibilities, including hostages.
Climate change from greenhouse gas emissions might threaten spacecraft as well as people, a scientists suggested on Sunday
The Pentagon on Friday grounded its fleet of F-35 fighter jets after discovering a cracked engine blade in one plane.
If some unidentified flying objects (UFOs) are related to intelligent visitors from elsewhere, what is the impact on national security and global security? This
As the Air Force gets smaller in the years to come, it will have to emphasize the areas that will be the most relevant to defense, the Air Force chief of staff said here today.
The Apollo-era astronaut says NASA should be working manned Mars missions
Because of GRAIL's findings, spacecraft on missions to other celestial bodies can navigate with greater precision in the future.
Residents of Salinas, Calif. were baffled and amazed by a mysterious crop circle discovered in a field Monday morning.
Astronomers have used NASA's Chandra X-ray Observatory and a suite of other telescopes to reveal one of the most powerful black holes known.
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