"Mars’ wind has often carved odd shapes into the surface through a combination of physical and chemical weathering processes.

Your venomous serpent bites you, and the clock is ticking. America’s zookeepers—and a cooler full of rare antivenom—are your ...

Pets are responsible for spreading an invasive flatworm species around the world, raising concerns about its impact on ...

People sell wild animals for food and for traditional medicine — legally and illegally. A study looks at the risks of ...