After the first successful touchdown on a comet, a NASA director couldn't contain his excitement, declaring the Rosetta mission a key step toward "taking" the entire solar system.
NASA's Kepler mission helps locate a solar system stocked with Earth-sized planets that dates back 11.2 billion years.
At a resolution of just 27p, images captured by the Dawn probe as it approaches Ceres are the most detailed of the dwarf planet to date.
Technically Incorrect: In a piece of must-see television, designer Isaac Mizrahi and presenter Shawn Killinger break off from clothes to debate astronomy.
The space agency is promoting some of the 1,000 planets discovered by the Kepler Mission in the style of vintage travel posters.
Among eight new Kepler planets found are the two most Earth-like to date, with possible conditions for the propagation of life.
A fascinating new documentary takes you to the home of medically messed-with chimps.
The shifting of Saturn's short days is on display in a NASA image of sunrise on the ringed planet, one of many dazzling portraits captured by the Cassini spacecraft.
We now have a clear visual of how planets form around stars, thanks to a sensational image of a far-distant star surrounded by evidence of baby planets.
Some suns gobble up the planets revolving around them, creating unique chemical signatures that could help astronomers in their planetary hunt.