The so-called 'habitable zone' around low-mass stars is often nothing of the sort, according to astronomers, because of the effect of tides.
Ammonia brought to Earth by meteorites could have helped kick-start life, says a team at Arizona State University.
China is set to launch a Martian lander as early as 2013, according to state news agency Xinhua.
Who knew the perks of being a research scientist could be so good? But the Southwest Research Insitute has handed over $1.6 million to Virgin Galactic to fly some of its staff into space.
Astronomers believe they have found a planet in the process of formation, clearing a path in the natal disc surrounding a young star.
NASA's Chandra X-ray Observatory has for the first time discovered a superfluid - a weird, friction-free state of matter - at the core of a neutron star.
NASA this morning called off the launch of its Glory satellite, five minutes before takeoff. It's been postponed until tomorrow, with NASA citing unspecified technical issues.
A group of students is to launch a balloon on Thursday with the aim of photographing the Discovery space shuttle as it roars past at the edge of space.
It's taken four months to get this far, but the space shuttle Discovery is finally set for launch this Thursday afternoon.
The biggest solar flare in four years has blasted out from the sun, and is expected to reach Earth late tonight.
The Stardust spacecraft's Valentine's Day flyby of the Tempel 1 comet has delivered pictures of the comet that clearly show the effects of its last encounter with a spacecraft in 2005.
NASA's much-desired third and final Shuttle flight this year looks likely to go ahead, following the release of its 2012 budget request.
Manfully resisting the temptation to call it HAL, a team at the University of Southampton has developed the world's first control system to allow satellites and spacecraft to think for themselves.
It should be possible to spot spinning black holes using ground-based telescopes, says a team of astronomers and physicists, because of their twisting effect on spacetime.
The number of known young stars in the North American Nebula has taken a dramatic jump, with more than 2,000 more having been identified.
The Stardust NExT probe is preparing for an encounter on St Valentine's Day with comet Tempel 1.
Two major rocket companies - ATK and Astrium - are in talks with NASA about a new vehicle which would carry out manned flights to the International Space Station (ISS).
Private space company Astrobotic Technology says it's signed a contract with SpaceX to launch a robotic payload to the moon as soon as December next year.
NASA has released the first ever 360-degree view of the sun, taken by two probes on opposite sides.
Scientists have been surprised to discover that Martian sand dunes long thought to be static are in fact changing quite fast.