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You may be inclined to see a ravioli, a walnut or an empanada, but it's tough to deny that Pan's distinctive ridge makes a tasty impression. The images were taken by the Cassini spacecraft Thursday.

NOAA's new weather satellite is carrying the first lightning detector ever parked in orbit over Earth. It has sent back its first images of real-time lightning storms in the Western Hemisphere.

Lego figurines of five storied female NASA pioneers will soon grace toy-store shelves. The project, proposed by a science writer, is meant to shed light on women's contributions to the space program.

The annular solar eclipse, which will leave just a sliver of sun shining behind the moon, will be visible from the southern hemisphere Sunday. Here's how to watch, even if you're outside its path.

NASA had originally planned for the Dragon craft to reach the space station three days ago. It's carrying crew supplies and a range of scientific experiments.

Some of the planets could be home to liquid water, but it remains unclear whether life could exist on such strange worlds.

The capsule called Columbia hasn't left the Smithsonian's National Air and Space Museum in Washington, D.C., since 1976. It's heading out on tour to celebrate the 50th anniversary of the moon landing.

SpaceX scrubbed a launch attempt Saturday at NASA's Launch Complex 39A, site of the shuttle program and the mission that first sent humans to the moon. Their second try succeeded Sunday.

Astronomers think there's an undiscovered planet lurking in the far reaches of the solar system, and they're asking the public's help to find it.