Richard Branson's private commercial spaceship has made its first crewed flight.
Astronomers using NASA's Hubble Space Telescope have confirmed the existence of what they're calling a 'cometary planet' - one that's so close to its star that its heated atmosphere is escaping into space.
The most powerful X-ray blast ever detected from deep space temporarily blinded NASA's Swift space observatory last month.
Creationists still won't like it, but a new study indicates that the Earth is rather younger than previously believed - up to 70 million years younger, says the team.
The Rosetta spacecraft has captured the first, high-quality pictures of the "Lutetia" asteroid.
NASA's Cassini spacecraft has discovered a new class of moons in the rings of Saturn that create distinctive propeller-shaped gaps in ring material.
Please don't snigger, but ESO and NASA astronomers have discovered a black hole blowing out an enormous bubble of hot gas.
The Planck telescope team has released its first full-sky picture - the clearest yet taken, showing the glow of the first light in the universe.
Crew on the International Space station successfully captured the drifting Progress 38 spaceship yesterday after it failed to dock as planned on Friday.
The US Air Force will this week launch a satellite designed to monitor the skies for dangerous debris.
Russian and US space station program managers are this morning expected to approve another attempt to dock their Progress cargo ship with the International Space Station tomorrow.
Many of the Milky Way's ancient stars derive from other smaller galaxies torn apart by violent galactic collisions, say researchers at Durham University.
Scientists have created organic macromolecules by zapping a Titan-like atmosphere with UV rays. The discovery supports the idea that the moon of Saturn could support life.
A new Earth observation satellite launched only a week ago has already delivered its first images.
A research team led by Brown University has found evidence of liquid water on Mars much more recently than previously reported.
Astronomers have for the first time observed a massive storm on a planet outside our solar system.
What could be the youngest known star has been photographed in the earliest stages of being born.
The world's most powerful telescope - a ground-based one, no less - has made its first set of observations.
The successful launch of the Falcon 9 rocket two weeks ago obviously impressed the punters - Iridium has signed a deal with the Falcon's creator, SpaceX, to use it to launch a fleet of commercial satellites.
NASA's Kepler Mission has identified more than 750 possible extrasolar planets after monitoring more than 156,000 stars. But it's keeping the best data back.