An actress died during a bizarre spiritual cleansing ritual at a retreat in Mexico, when she took the venom of an Amazonian frog and suffered severe vomiting while being denied medical treatment, ...

If not for a pair of Smithsonian scientists, the fingernail-size frog from Brazil would have likely gone extinct without ever being described ...

Most frogs defend themselves with toxins that sit passively in their skin, but only two species are known to go a step further and actively inject venom into anything that grabs them. These little ...

A Mexican actress is dead after voluntarily participating in a spiritual cleansing ritual during which she reportedly consumed poisonous Amazonian frog venom. Marcela Alcázar Rodríguez, 33, took some ...

Yes, there are some very poisonous frogs in the world. But it turns out researchers had no idea how scary some of these frogs were until recently when they discovered frogs that can deliver venom to ...

Venom is one of nature’s most effective (and fascinating) survival tools. Across the world, a wide range of animals have ...

This newly discovered poison frog may represent an evolutionary step on the pathway towards developing brilliant warning coloration associated with other poison dart frogs. A small reddish-brown frog ...

FILE-A biologist holds a frog while at a research center. Please note this isn't the frog related to the story, it's only a file photo. (Photo by SAEED KHAN/AFP via Getty Images) A Mexican actress is ...