The trees that grow in the Mississippi River floodplain have been overwhelmed by higher water and longer-lasting floods.

Scientists say the snail darter, whose endangered species status delayed the building of a dam in Tennessee in the 1970s, is ...

Gary wolves in Colorado are listed as endangered under the Endangered Species Act, making it illegal to harass, harm or kill ...

In a river of Beijing, China, a “slender” creature with “fleshy” lips swam through the plants. Or at least, it tried to, but something pulled it toward the surface. Scientists looked at their catch — ...

A gray wolf in Colorado was illegally shot and later died of the injury, federal authorities said Thursday in the latest ...