In geometry, there are surfaces that do without an inside or outside—and some need at least four dimensions to exist ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper spacecraft has made valuable ...

More than a billion years ago, in a shallow basin across what is now northern Ontario, a subtropical lake much like ...

"I think every astronomer is going to find something of value here, as NASA's missions enable the world to answer fundamental questions about how the universe got its start, and how it changed to ...