The golden poison dart frog may be tiny, but it has earned a formidable reputation in the animal kingdom. Native to a small ...

Add Yahoo as a preferred source to see more of our stories on Google. A joint report alleging that a poison dart frog toxin has been linked to the death of Russian opposition leader Alexei Navalny ...

LONDON -- Russian opposition leader Alexei Navalny was poisoned by the Kremlin with a rare and lethal toxin found in the skin of poison dart frogs, five European countries said Saturday. The foreign ...

A team of wildlife researchers from Instituto Nacional de Pesquisas da Amazônia, in Brazil, working with a colleague from the National Museum of the Czech Republic, has discovered a new species of ...

Wildlife researchers have recorded hundreds of venomous species across oceans, forests, and rivers, yet many of the most ...

LONDON — Russian opposition leader Alexei Navalny was poisoned by the Kremlin with a rare and lethal toxin found in the skin of poison dart frogs, five European countries said Saturday. The foreign ...

A joint report alleging that a poison dart frog toxin has been linked to the death of Russian opposition leader Alexei Navalny rippled quickly around the globe among scientists. The allegations raised ...