New research suggests a hidden body of pressurized freshwater may lie beneath the Great Salt Lake’s playa, trapped below a ...

We show how this "cosmic clock" uncovers the evolution of rivers, coasts and habitats.

The fastest land animal in North America is the American pronghorn, and previously, researchers thought it evolved its speed ...

The Verde Mining district grew to become one of the greatest copper producers in Arizona from 1883 until 1992. Two primary mines produced more than 99% of the district’s copper production: the United ...