Kayakers and nature lovers are flocking to Death Valley National Park in California to enjoy something exceedingly rare at one of the driest places in the United States: Water. A temporary lake has ...

SANTA CRUZ, CA–A new study suggests that ancient features on the surface of Mars called valley networks were carved by recurrent floods during a long period when the martian climate may have been much ...

Yosemite looked very different one hundred million years ago. Towering volcanoes existed here then making up a vast mountain chain similar to the modern Andes Mountains in South America. Deep beneath ...