Valentine’s Day hearts are cute - but nature has far weirder ideas. In this video, we explore six of the most fascinating, bizarre, and downright extreme hearts in the animal kingdom. From the ...

Frogs have long held a bad rap (at least among some people) for being slimy, even scary, critters, but that’s not very fair ...

From big cats (we really mean big cats) to a flock of squawking parrots, these exotic animals make America home.