We've gone to the bottom of the ocean to study how its chemistry shapes our planet's climate, even chasing lava-spewing ...

The Science Behind River Downcutting The water pressure of a river can cut deep into a riverbed. Sediments from the riverbed ...

A "strong atmospheric river" could bring more rain and mountain snow to the Northwest, according to forecasters.

Ten years after Brazil’s worst environmental disaster, the Indigenous Krenak people are still mourning what they call “the ...

From panoramic views in Brazil to misty walkways in Argentina, here's how to experience every angle of this thunderous ...