This viral video shows a male African bullfrog digging a channel to rescue his tadpoles. Find out why the dads do all the parenting.

With striking colors and a resounding croak, the poison dart frogs at the Dakota Zoo are small but mighty. We spoke with ...

Fluoride has been added to much of Tennessee’s drinking water for more than five decades, sparking health concerns for some.

Dodging fire-ants, snakes and millions of nighttime creepy-crawlies, a group of trekkers advances through the humid Bornean ...

We often hear people talking about venomous and poisonous animals, so you’d easily be forgiven for thinking that they mean ...