A thin oxygen atmosphere has been discovered on Rhea, one of the moons of Saturn.
Future robotic missions to Mars could use gas from the Martian atmosphere to "hop" large distances.
After ten years in storage NASA are considering bringing the X-34s back to operational status.
Pluto may have been demoted but it turns out it is the largest body in the outer solar system after all.
For the first time scientists have observed a planet that originated outside our own galaxy.
NASA held a conference on Monday to announce that they'd witnessed the birth of a black hole.
Jupiter's southern equatorial belt which disappeared in May is showing signs of a reappearance.
Astronomers have used the Hubble telescope to produce a highly detailed dark matter map.
NASA are holding a conference on Monday to announce a discovery by the Chandra telescope.
Astronomers have discovered a star system that appears remarkably like a game of snooker.
The Deep Impact spacecraft flew by a small comet on Thursday some 13 million miles from Earth.
NASA engineers believe they can launch a low-cost robotic Moon mission within 1000 days.
Astronomers have discovered a super-massive neutron star with an incredibly high density.
Astronomers have discovered two Jupiter-like planets orbiting two close sister stars.
The Deep Impact spacecraft will soon be making a close approach of the comet Hartley 2.
NASA will play a leading role in Earth's response to possible asteroid threats.
The first ever commercial spaceport has opened its runway in the New Mexico desert.
Physicists have contended that a manned one-way trip to Mars could be the way forward.
A senior NASA official has announced a project to create a new type of interplanetary spacecraft.
Back in the 1960s both the USA and the Soviet Union raced to place the first humans on the moon.