Several key moments in Earth's history help us humans answer the question "How did we get here?" These moments also shed ...

Tijuana River flows from Baja California into the United States and discharges millions of gallons of wastewater — including ...

Seafood shoppers might notice higher prices, recreational divers and snorkelers will find murkier waters, and even worse; ...

UNESCO’s comments confirm what experts already know: despite substantial money and effort, threats to the Great Barrier Reef ...