One-horned rhinoceroses are the subject of a new study of the differences in appearance, behavior, and evolutionary history ...

Every year, the aquatic animals die off when the swamp dries up, leaving their eggs behind to hatch when the rains return.

Brook trout may have a genetic trick up their scales when it comes to adapting, with limitations, to heat waves that threaten ...

More than a quarter of our planet's natural "geomorphs" -- animals such as beavers and hippos that, collectively, can reshape ...

The ocean covers nearly three-quarters of our planet but scientists say we have barely scratched the surface of what lives in ...