Traditional irrigation canals, or acequias, could help balance the water supply during droughts — if they are protected.

As dams built in the mid-20th century age and risk failure during major rainstorms, rural areas consider hard choices.

A federal judge last month handed a major victory to opponents of water fluoridation, capping a seven-year legal battle over whether the U.S. Environmental Protection Agency has failed to protect the ...

In "Why Animals Talk," zoologist Arik Kershenbaum argues that knowing what animals are saying is less crucial than why.