The mission will be the first of twelve contracted supply deliveries by SpaceX's Dragon spacecraft
The raw materials for high-energy reactions are difficult and expensive to make, but production may be feasible in 50 years
As we come to the peak of the sun's activity cycle, scientists expect more dazzling, but possibly disruptive, displays
NASA's next low-budget planetary mission will land a probe on Mars in 2016 to investigate the Red Planet's inner workings
Gliese 581 g shot to the top of a list put out by researchers at the University of Puerto Rico at Arecibo’s Planetary Habitability Laboratory (PHL) after a new study marshaled support for its long-debated existence...
Tarter is shifting into a full-time fund-raising role for the SETI Institute, which had to shut down a set of alien-hunting radio telescopes for more than seven months last year due to budget shortfalls...
Data from the Dawn spacecraft now reveal that Vesta, as wide as the state of Arizona, is large enough to have had its own internal geologic evolution
The online Slooh Space Camera will broadcast a free, real-time feed of the Mars opposition, beginning at 11:00 P.M. EST
Although it can be tough for observers in the West to vet such claims from the Russians, fears that Phobos-Grunt's fall would cause dangerous chemicals to rain from the sky are probably unfounded, experts say...
The probes' measurements will be used to construct detailed maps of the moon's gravitational field, revealing a great deal about lunar composition
'Grail' measurements will be used to construct highly detailed maps of the lunar gravity field. These maps could help scientists plan future lunar landings
Here's a rundown of the top 11 spaceflight stories of 2011, from the last mission of NASA's venerable space shuttle program to China's first-ever docking of two spaceships in Earth orbit...
A veteran satellite spotter tracked Russia's Phobos-Grunt spacecraft as it passed over the southern Netherlands on Tuesday
NASA has launched its next Mars rover, known as Curiosity
Lift-off from Kazakhstan's Baikonur Cosmodrome is set for 3:16 P.M. EST. The main goal is to grab some dirt from Phobos' surface and return the samples to Earth in 2014
NASA Earth-observing satellites have had some bad launch luck. The new probe will collect data for short-term weather forecasting and long-term climate monitoring
It's the first probe ever built to track fast weather systems and long-term climate change
The International Space Station likely won't have to be vacated next month
A reusable rocket and spaceship could open the gates of Mars for humanity, company CEO Elon Musk announced
If Russian engineers don't figure out what caused a recent rocket failure soon, the ISS may have to start operating without a crew