Water covers 71 percent of Earth's surface, giving rise to the nickname "the Blue Marble" or "the Blue Planet." Satellites that observe ocean color, however, show that it's not that simple. Materials ...

Lunar swirls are light-colored, sinuous features on the Moon’s surface, bright enough to be visible from a backyard telescope. Some people think they look like the brushstrokes in an abstract painting ...

The work of Wyoming potter Byron Seeley mines one of the craftiest veins of ceramic art. His Red Canyon Ware collection, shown here, uses red, white and black clay that is wheel thrown and manipulated ...