NASA has successfully completed a two-minute, full-scale test of its DM-2 rocket motor - despite not knowing for sure whether it will ever actually be going anywhere.
NASA's Kepler telescope has for the first time observed a planetary system with two planets passing in front of their star.
The National Aeronautics and Space Administration has launched a new campaign as its shuttle program dwindles down - the agency is asking for users to submit suggestions for music that will be officially used as the wakeup song for members of the shuttle crew.
The moon has grown smaller in the recent past, and may still be shrinking, new images from NASA's Lunar Reconnaissance Orbiter (LRO) spacecraft reveal.
He doesn't have the same panache as the diaper-wearing crazy astronaut lady Lisa Nowak, but NASA worker Cecil Graham's offense is far worse.
Two space station astronauts are currently conducting their third and possibly final spacewalk to repair the station's faulty cooling system.
Astronomers using NASA's Spitzer Space Telescope have discovered the spherical carbon molecules known as 'buckyballs' in space for the first time.
NASA has published an amazingly detailed map of Mars which was painstakingly rendered using nearly 21,000 images gathered by Odyssey's Thermal Emission Imaging System (THEMIS).
NASA's Wide-field Infrared Survey Explorer, WISE, completed its first survey of the entire sky over the weekend.
Astronomers using NASA's Hubble Space Telescope have confirmed the existence of what they're calling a 'cometary planet' - one that's so close to its star that its heated atmosphere is escaping into space.
The most powerful X-ray blast ever detected from deep space temporarily blinded NASA's Swift space observatory last month.
Seven square miles of a Greenland glacier broke off in two days last week, leaving the calving edge of the ice sheet a mile further inland.
NASA's Cassini spacecraft has discovered a new class of moons in the rings of Saturn that create distinctive propeller-shaped gaps in ring material.
Please don't snigger, but ESO and NASA astronomers have discovered a black hole blowing out an enormous bubble of hot gas.
NASA has debuted a free online video game that allows players to step into the role of an exploration team member in a futuristic 3D lunar settlement.
NASA's Kepler Mission has identified more than 750 possible extrasolar planets after monitoring more than 156,000 stars. But it's keeping the best data back.
In the wake of February's earthquake in Chile, a NASA-led team successfully tested elements of a prototype tsunami prediction system.
NASA's unmanned Global Hawk aircraft has successfully completed four science flights over the Pacific Ocean.
With only two more shuttle missions set to fly, your chances of getting to the International Space Station (ISS) are slim. But as a consolation prize, NASA is promising to send your photo instead.
Mission controllers for the Mars Express have created a video showing the view as the spaceship orbits Mars.