NASA's extended its deal with the Russian Federal Space Agency over transport to the International Space Station - but the cost of a ticket has gone up.
Last Friday's quake in Japan has likely shortened the length of the planet's day and shifted its axis, says a NASA scientist.
The internet is awash with rumors that this month's 'supermoon' - a full moon coinciding with the moon's closest approach to earth - will bring earthquakes, volcanic eruptions and floods.
Mars and Jupiter's moon Europa should be NASA's main areas of focus over the coming decade, according to a report from the National Research Council.
Space shuttle Discovery has successfully undocked from the International Space Station, after a morale-boosting message from Captain Kirk.
A NASA scientist says he's discovered alien life, in the form of microscopic fossils, embedded in meteorites.
An experimental robotic space plane was launched into space today atop the Atlas V rocket as part of a classified Air Force mission that could last up to nine months.
NASA's Glory satellite, which launched early this morning from Vandenberg Air Force base in California, has failed to reach orbit.
The US Air Force will today launch its second X-37B spaceplane from Cape Canveral to intesnse interest from Russia and China, which are suspicious about its secret payload.
NASA believes it's found an explanation for the recent period of decreased solar activity during the sun's 11-year cycle - the deepest solar minimum seen in almost 100 years.
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.