Saturn's Moon Mimas May Have an Underground Ocean—or Just a Weird Core

Mimas, a cold, icy, and tiny moon of Saturn, may have a liquid water ocean below its heavily cratered surface. Photo Credit: NASA/JPL/SSI

It wasn’t that long ago that Earth was thought to be the only place in the Solar System capable of having liquid water oceans, but now we know of several […]

Pack a Bag for the Stars: A Shopping List for Deep Space?

At some indeterminate time in the future, our descendents will take the sage advice of Konstantin Tsiolkovsky—the father of modern cosmonautics—to its ultimate conclusion: by leaving the cradle forever and setting sail for the stars. To do so, our children and grandchildren will face daunting technological, biological, sociological, and engineering challenges. Photo Credit: […]