Orcas evolved from a small deer-like species that roamed the earth more than 50 million years ago. They are among the most formidable animals in the ocean — pack-hunting creatures that feed on ...

Ever since 1993, when a deadly disease outbreak in the Four Corners first revealed the presence of hantavirus in North ...

The Pueblo Zoo has recently said goodbye to three beloved animals and hello to a new Watusi bull. Here's what to know.

Deer mice construct spherical or cup-shaped nests of shredded plant fibers, fur, and feathers under logs, stumps, rocks in the abandoned dens of other mammals, but prefers natural cavities of tress.

A small plant-eating deer species that rarely draws much attention in Japan is now a major source of concern after an explosion in the population in the Boso Peninsula of Chiba Prefecture. Despite ...