NASA scientists have discovered the first known microorganism (GFAJ-1) on Earth capable of reproducing and thriving on a highly toxic chemical known as arsenic.
Rather appropriately for the time of year, NASA's EPOXI team says that the mission's recent encounter with comet Hartley 2 observed a flurry of snow streaming out from the comet.
Scientists are examining the feasibility of constructing hopping vehicles powered by radioactive material to more effectively explore the rugged surface of Mars.
NASA's Chandra telescope has found evidence of the youngest black hole in our area of the universe - just 30 years old at the point of observation.
A large sunspot has erupted, sending a coronal mass ejection hurtling towards Earth.
NASA's Fermi Gamma-ray Space Telescope has discovered a massive structure spreading halfway across the Milky Way.
After a week in which the final launch of space shuttle Discovery has been postponed on an almost daily basis, NASA has announced that it won't be taking off until at least the end of the month.
NASA's planning to spend $5 million a year over the next three years on the development of a hypersonic vehicle that could fly at five times the speed of sound.
NASA's Deep Impact spacecraft got a closeup view of comet Hartley 2 yesterday, getting within 435 miles of the comet.
NASA is using cloud computing to optimize the efficiency of two rovers currently exploring the Martian landscape.
A prominent scientist who decoded the human genome has hypothesized that recruiting genetically enhanced astronauts could help boost NASA's manned spaceflight program into warp speed.
NASA and DARPA are teaming up to examine the feasibility of designing a "100-year Starship" capable of interstellar travel.
Astronomers have discovered buckyballs in another galaxy for the first time, lending weight to the theory that they may have been responsible for the arrival on Earth of chemicals key to the origin of life.
Astronomers have long used powerful telescopes to peer into the past. But now, NASA and ESA are using the Hubble Space Telescope to look thousands of years into the future.
NASA says the crash of a space balloon earlier this year was caused by human error - and that mistakes like an inability to remember the phone number of the Australian emergency services contributed to the danger.
International Space Station commander Doug Wheelock has become the first person to check in from space on Foursquare.
NASA has concluded that there may be enough water on the moon to sustain a manned lunar base.
The interpid duo put the phone into an insulated capsule which was then attached to a weather balloon. The balloon soared until it went outside the planet and then, at 100,000 feet above its deployment, the balloon burst.
NASA has given the green light to the development and 2013 launch of the Mars Atmosphere and Volatile Evolution (Maven) mission, which aims to investigate how Mars lost so much of its atmosphere.
The 'force field' shielding our solar system from cosmic rays has declined in intensity by 10 to 15 percent over the last six months.