Coyotes now live in and around NYC, LA, and other cities. New research tests how skittish wild creatures become urban denizens.

As gray wolves continue to make a strong comeback in Washington state, deer have had to get smart to avoid getting eaten.

Check out the video to see a dinner-plate sized Amazonian spider chow down on an opossum.

The presence of humans puts off some African carnivores, but not all.

Like something from an insect version of the Walking Dead, American cockroaches fight hard to fend off the zombifying sting of the emerald jewel wasp.