A new report reveals that half of U.S. rivers, including the Mississippi, Tijuana and Lower Rio Grande, are dangerously ...

A long-lost slab of Earth’s crust may be pulling away the bottom of the oldest part of North America, scientists say ...

A national analysis shows that both public and private water systems are failing many Americans. Water violations and access ...

A U.S. Supreme Court ruling that declared only wetlands connected to a “water of the U.S.” will be protected. That ruling, ...