NASA astronauts are training for a mission that could send them to an asteroid, a possible first step towards Mars.
The Low-Density Supersonic Decelerator spacecraft, shaped like a science-fiction flying saucer, could launch from Hawaii later this week.
NASA gives sneak peek of new communications satellite set to be launched later this month.
Astronauts prepare for emergency repairs to International Space Station.
NASA launches unmanned "Maven" spacecraft to Mars.
Employees of Johnson Space Center in Houston feel impact of budget impasse
NASA has announced it is to fund construction of the world's first ever 3D food printer.
An electrocardiogram of Apollo 11 commander Neil Armstrong's heartbeat is going up for auction....
Aspiring teen astronaut moves one step closer to her goal of traveling to Mars.
Powder drilled out of a rock on Mars contains the best evidence yet that the Red Planet could have supported life billions of years ago.
On the morning of that fateful Saturday, the first day of February 2003, the Columbia astronauts prepared their ship for its landing at their Florida launch site.
Today marks the 27th anniversary of the Challenger explosion.
Memorial service held to honor the first man to walk on the moon. Chris Clackum reports.