Iran says it's launched an observation satellite, claiming it will be used to collect weather data.
Astronomers have discovered a potentially habitable planet right on our doorstep - just 22 light years away.
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.
Space Exploration Technologies (SpaceX) has successfully test fired its new engine, SuperDraco.
After initial suggestions that death-ray-wielding Americans were to blame, Russian space agency Roscosmos has concluded that its lost Martian probe, Phobos-Grunt, was cripped by space radiation.
NASA has for the first time analyzed the 'alien matter' in the interstellar wind.
When scientists discovered two great swaths of radiation encircling Earth in the 1950s, it spawned exaggerated fears about "killer electrons" and space radiation effects.
Space weather forecasts are about to get more accurate - just in time for a period of increased solar activity.
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.
Though typically believed to be quite dry, roughly half of the giant asteroid Vesta could be so cold that water ice may have survived there for billions of years.
The strongest solar radiation storm to hit the Earth since 2005 is set to peak this morning.
NASA has reversed an earlier decision to block the release of the first science fiction movie filmed in space.
The Russian Space Agency (Roscosmos) has suffered a string of embarrassing space-related debacles over the past few months.
Scientists are working on a pioneering scheme to view the massive black hole at the center of our galaxy.
The European Space Agency (ESA) has released new images of the Eagle Nebula, which is located some 6,500 light-years away in the constellation of Serpens.
Russia was understandably upset and perhaps more than a little embarrassed when the Phobos-Grunt probe - slated to explore a Martian moon - failed to escape Earth’s orbit and crashed into the ocean.
The Obama administration is reportedly ready to consider a new space weapons policy based on an international code of conduct.
"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.
The failed Mars probe that was left spinning out of control when contact was lost shortly after takeoff, has crashed safely to Earth in the southern Pacific.