An enormous alien planet — one that is 11 times more massive than Jupiter — was discovered in the most distant orbit yet found around a single parent star.
Americans from Buzz Aldrin to president Barack Obama say it’s a waste of time to put men back on the moon -- so why are foreign countries like China so eager to take that one...
US Air Force
The U.S. Air Force's mysterious X-37B space plane is nearing a major milestone — one year of travel in Earth orbit, performing duties in support of long-term space objectives.
A U.S. spacecraft hasn’t made a controlled landing on the moon since Apollo 17 left the lunar surface on Dec. 14, 1972. That’s about to change.
Air & Space
The secretive private spaceflight company Blue Origin founded by billionaire Amazon.com CEO Jeff Bezos has successfully test-fired a new engine for commercial rockets that may...
A black hole is a place in Washington, DC, where all our tax dollars go. Just kidding! A black hole is perhaps the strangest object in the universe. It is the remains of a...
NASA's Hubble Space Telescope has detected water in the atmospheres of five planets beyond our solar system, two recent studies reveal.
The private spaceflight company SpaceX launched a critical commercial satellite mission from Florida Tuesday after two delays due to technical glitches.