NASA's Mars rover Opportunity - recently arrived at the Endeavour crater - has found a rock that's different from anything it's seen before.
A recently published report warns that space junk poses a clear and present danger to orbiting satellites and the International Space Station (ISS).
Engineers from NASA and the US Department of Energy (DOE) are working on a suitcase-sized nuclear reactor for use on the moon and other planets.
NASA is warning that astronauts may be forced to temporarily abandon the International Space Station (ISS) if a recent space freighter crash prevents Russia from ferrying a fresh crew to the station.
Astronauts on the way to Mars could munch on space-grown lettuce, strawberries and carrots, a NASA scienstist says.
Astronomers have discovered 6 Y dwarfs approximately 40 light-years away from the sun.
NASA has concluded that it will cost approximately $8.7 billion to finish construction of the James Webb Space Telescope in time for a 2018 launch.
The first robot member of the International Space Station crew woke up yesterday, six months after its arrival.
Maybe NASA believes that the little green men really are green - one of its scientists has collaborated on a report suggesting that the Earth's rising levels of greenhouse gases could provoke an alien attack.
Using data from the STEREO spacecraft, researchers at Southwest Research Institute and the National Solar Observatory have released a video of a coronal mass ejection in 2008 swallowing up the Earth.
NASA-funded researchers have discovered new ice formations moving across Antarctica, after creating the first complete map of the speed and direction of ice flow.
SpaceX says it is ready to meet NASA's November 30, 2011 launch date for a mission that will deliver cargo to and from the International Space Station (ISS).
Snoopy will have more than the Red Baron to keep an eye on as competitors take to the skies above California's Charles M. Schulz Sonoma County Airport this fall in pursuit of a $1.65 million prize for fuel-efficient aircraft.
The Juno spacecraft's set to lift off today on its way to Jupiter, with scientists hopeful that the mission will help answer questions about the formation of the solar system.
Recent images captured by NASA's Mars Reconnaissance Orbiter seem to indicate the presence of flowing water during the warmest months on the red planet.
NASA's Dawn probe is beginning the first of four science orbits, and has sent back its first close-up images.
First NASA launched its final shuttle mission earlier this month, and now Russia is debating how to do away with the International Space Station (ISS) as it nears the end of its life cycle.
If you thought little Android helpers only came in the form of green robots, think again.
NASA's picked the site for the next Mars rover landing - a spot inside the planet's Gale crater that the scientists say just might reveal whether the planet could have supported life.
Now that the final NASA space shuttle mission has ended, the agency is tasked with the daunting responsibility of laying off approximately 3,200 contractors.