A new study in Chile shows how small differences in rock type can drive large differences in erosion, vegetation, and river networks, illuminating the role of mineralogy in shaping landscapes.

A stream south of the Argentine capital turned a freakish vermilion this week, prompting concerns about pollution. Officials ...

Chief Meteorologist Joe Fitzwater has a look at the latest river level projections, more showers and thunderstorms and an ...

The Sarandí stream near Villa Inflamable in the municipality of Avellaneda is home to tanneries and other industries that ...