NASA engineers have conducted an initial test of the J-2X engine powerpack at the Stennis Space Center.
NASA astronomers using the Hubble Space Telescope have found a cluster of young, blue stars encircling the first intermediate-mass black hole ever discovered.
New images from the European Space Agency’s Planck mission have revealed previously undiscovered islands of star formation, along with a mysterious haze of microwave emissions in our Milky Way galaxy.
NASA's received over 6,300 applications to join its astronaut corps - twice as many as usual.
A camera aboard one of NASA's twin Gravity Recovery And Interior Laboratory (GRAIL) lunar spacecraft has sent back footage of the far side of the moon.
NASA has for the first time analyzed the 'alien matter' in the interstellar wind.
A new NASA study has confirmed that it's greenhouse gases - not changes in solar activity - that are the main cause of global warming.
When scientists discovered two great swaths of radiation encircling Earth in the 1950s, it spawned exaggerated fears about "killer electrons" and space radiation effects.
NASA's nearly doubled the number of known exoplanets in one fell swoop, with the announcement of 11 new planetary systems hosting 26 planets.
NASA is poised to kick off a new series of tests on the J-2X - the engine that will help carry humans to deep space.
NASA has reversed an earlier decision to block the release of the first science fiction movie filmed in space.
"Man on a Mission," a film documenting Richard Garriott's journey to the International Space Station (ISS) may have hit theaters, but there is another movie NASA apparently doesn't want you to see.
NASA's discovered its tiniest solar system yet, which includes the three smallest exoplanets ever found.
NASA's Hubble Space Telescope has detected the weak glow of a star that exploded more than 9 billion years ago.
NASA says it'll do its best to resolve a dispute over an astronaut's attempts to auction off a notebook used in the Apollo 13 mission.
NASA's Mars Exploration Rover Opportunity is set to ride out the worst of the Martian winter at Greeley Haven, a rocky outcrop recently named after ASU Regents' Professor Ronald Greeley, a planetary geologist who died last October.
The first big meteor shower of 2012 is set to kick off early Wednesday morning from about 3-5 a.m.
NASA's two GRAIL probes have now successfully been placed in orbit around the moon.
NASA's twin GRAIL spacecraft will be placed into orbit around the moon over the New Year weekend, in preparation for their mission to study its composition and gravity field.
NASA has released a number of new images of Saturn and Titan snapped by the agency’s Cassini spacecraft.