A new report published by the National Research Council recommends that NASA should "take steps" to maintain a highly trained astronaut corps - even as the United States enters an extended post-shuttle era.
NASA is preparing for a number of worst-case scenarios that could leave the International Space Station (ISS) without a crew for an extended period of time.
A nostalgic NASA - clearly pining for the glory days of its manned space program - has released a slew of new pictures depicting the Apollo 12, 14 and 17 landing sites.
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.
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.