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

The Indus Waters Treaty (IWT), now held in abeyance by India, was hammered out in 1960 and hailed as a triumph of diplomacy.

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 ...

Dryland farmers rely on the rain to grow their corn and other crops, so in a long drought, they must lower expectations.