Books for all the science lovers on your list!

Take part in this annual, worldwide festival celebrating space exploration.

Enceladus, one of Saturn's smaller moons, may have a subsurface ocean at least the size of the U.S.' Lake Superior in its southern hemisphere.

A decade-long record of nearly all of Greenland’s major glaciers suggests that Earth’s sea levels may not rise as dramatically over the next century as some studies have predicted as ice from those glaciers melts or calves off into the sea.

Data from the MESSENGER spacecraft suggest that Mercury’s core is much bigger than researchers had realized, and that the planet’s surface has been through an unusually active evolution.