A rare toad changed the fate of a river by becoming the first amphibian to halt a hydroelectric dam. It's now in trouble.

Troops searched for survivors in the remote southern tip of Laos, three days after the collapse of a hydropower dam sent a torrent of water charging across paddy fields and through villages, as ...

Known in Brazil as the admirable little red-bellied toad, the rare Melanophryniscus admirabilis is endemic to a stretch of the Forqueta River in Rio Grande do Sul state. It made history in 2014 when ...

KHERSON, Ukraine — A major dam in southern Ukraine collapsed Tuesday, flooding villages, endangering crops and threatening drinking water supplies as both sides in the war scrambled to evacuate ...