The land bridge created by mantle-driven uplift gave early primates and other animals opportunities to branch out.

A new tribal national park in North Dakota is opening a little-seen area of the rugged Badlands to hikers and other outdoors ...

Iraqi farmers like Hadi Saheb turn to groundwater to sustain agriculture in the desert, risking depletion of vital resources.

In the opening scenes of the CBS television series Northern Exposure, set in the fictional town of Cicely, Alaska, a moose ...