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.
Scientists are learning that some astronauts' eyes change shape after time in space, leading to vision problems. But a sleep sack being developed might offer relief.
Five "Women of NASA" will be given the LEGO treatment. The toy company announced at the end of February that it will produce the set designed by MIT News science editor and LEGO fan, Maia Weinstock.
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.
SpaceX claims it will launch the first ever private moon mission in 2018, which would send people to the moon for the first time in 45 years. The announcement may signify the start of a new race to the moon, this time between NASA and the private space industry.
It would be the first time humans have traveled beyond low Earth orbit since the days of Apollo. The mission would be manned and financed by two private, anonymous customers.
Astronomers have discovered a solar system full of potentially habitable planets. Lulu Garcia-Navarro talks to Seth Shostak of the SETI Institute, which searches for extraterrestrial intelligence.
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.