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Viewers didn't see the plume of dust that was supposed to arise after a rocket smacked into a crater. But scientists are hopeful they'll get enough data to determine if water is present on the moon.

Don't want to drag your telescope out for a gander at NASA's moon impact mission? Stick to your friend, the Internet, instead tomorrow morning. Slooh, a web-based telescope-viewing site, offers live coverage of NASA's $79 million Lunar Crater Observation and...

For as long as man has looked up, the moon has inspired romance, poetry and songs. Man also likes blowing things up. Now we get to do both — in the name of science. The aim of Friday's deliberate crash of two unmanned NASA spacecraft into ...

NASA's Cassini spacecraft buzzed Titan last year, coming close enough to taste the Saturnian moon's atmosphere. The data acquired has implications for our understanding of life throughout the galaxy, as well as Earth's own past.

NASA and the European Space Agency have unveiled a joint plan for exploring Mars in the latter half of the next decade. ESA will build a trace-gas orbiter, able to map plumes of methane in the atmosphere, for launch in 2016.

Images taken by NASA early Monday show a scar in the atmosphere near the south pole of the gas giant.

To commemorate the anniversary, NASA released newly restored video footage of the Apollo 11 moon landings — but the fabled "lost" moon tapes weren't among them.

The US space agency Nasa successfully launches the space shuttle Endeavour - at the sixth attempt.

NASA and Japan improved our world view this week, or at least our view of the world.

Images taken by NASA's Mars Reconnaissance Orbiter show a 30-mile-long canyon and beach remnants surrounding a basin.