There's something strange going on below the surface of Saturn's Death Star-looking moon Mimas, a new study suggests.
A California energy company is using laser technology originally developed to search for methane on Mars to pinpoint natural gas leaks here on Earth.
Stratolaunch's huge rocket-launching plane could be launching Sierra Nevada Corporation's Dream Chaser space plane into orbit a few years from now.
NASA has developed apps that can track shooting stars and iPhone games to hunt for comets, but its latest app is an educational project for kids all about rocket launches.
The Rosetta spacecraft's NAVCAM captured four photos that ESA stitched together to create a close-up mosaic of comet 67P/Churyumov-Gerasimenko.
NASA announced a new contest called the Mars Balance Mass Challenge, inviting the public to submit design ideas for dual-purpose spacecraft weight balances for a future Mars mission.
The AMS particle detector aboard the International Space Station has found more evidence of dark matter in cosmic ray data.
NASA is developing a band of autonomous robots called "swarmies" that use radio waves to communicate with each other and may one day be used to explore the moon or Mars.
NASA combined data from the Spitzer Space Telescope, Chandra X-Ray Observatory and ESA's XMM-Newton to produce an image of the supernova remnant Puppis A.
The Perseid meteor shower will reach its peak overnight on Tuesday (Aug. 12) and early Wednesday morning.
A test version of NASA’s Orion spacecraft was successfully hauled from the Pacific Ocean onboard a U.S. Navy ship.
ESA's Rosetta spacecraft will enter comet 67P/Churyumov–Gerasimenko's orbit early Wednesday (Aug. 6) and you can watch the historic encounter live.
The first successful NASA mission to the moon that paved the way for the Apollo landing celebrates its 50th anniversary this year.
The supermassive black hole at the center of a far-off galaxy is putting on a fireworks display of cosmic proportions.
DigitalGlobe released satellite images of the Malaysian Airlines MH17 plane that was shot down over eastern Ukraine on July 17.
A dropship quadcopter designed by the European Space Agency could be landing rovers on Mars in the future.
NASA has issued an open call for designs of scientific instruments to send on a future mission to explore Jupiter's moon Europa.
The first of three supermoons this summer will rise Saturday night (July 12). Here's why July's full moon is one of the biggest of 2014.