Has Voyager 1 left our solar system?
On May 31, 2013, asteroid 1998 QE2 will sail serenely past Earth, getting no closer than about 3.6 million miles
Blown away by Hurricane Sandy: News of the Sept. 11 attacks in Benghazi, Libya.
NASA’s Cassini spacecraft has taken stunning new photos of Venus, according to a space agency news release.
As NASA's Dawn spacecraft travels to its next destination, this mosaic synthesizes some of the best views the spacecraft had of the giant asteroid Vesta.
The postwar, sequestration-era Army is working on becoming “a smaller, more lethal, deployable and agile force,”
“My administration,” President Obama wrote on his first day in office, “is committed to creating an unprecedented level of openness in government.”
Newly discovered asteroid 2013 TV135 made a close approach to Earth on Sept. 16, when it came within about 4.2 million miles (6.7 million kilometers).
Because of GRAIL's findings, spacecraft on missions to other celestial bodies can navigate with greater precision in the future.
It’s not just about unidentified flying objects (UFOs) and the beings reportedly aboard some of them. It’s bigger, wider, deeper.
The U.S. Air Force launched the second satellite in its next-generation missile warning constellation Tuesday from Cape Canaveral Air Force Station, Fla.
Researchers at NASA's Langley Research Center in Hampton, Va., use all sorts of tools and techniques to learn more during the development of aircraft
If some unidentified flying objects (UFOs) are related to intelligent visitors from elsewhere, what is the impact on national security and global security? This
Two new views from NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, showcase the telescope's talent for spying objects near and far.
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