Unseen mountains, valleys, lakes, and rivers lie under Antarctica’s mile-thick ice sheet. Changes to those hidden rivers ...

Hundreds of residents of Russia's Chelyabinsk and Bashkortostan regions were evacuated as melting ice caused river levels to ...

Ludwig, who covered big-budget stories for National Geographic on Russia after the fall of the USSR including the pollution of the Ural River, first went to the Chernobyl site on a helicopter soon ...

The weather impacts are associated with an atmospheric river that arrived over the weekend. An NWS weather map shows all alerts issued in the Northwestern U.S. for an ongoing atmospheric river.