Researchers discovered that a poison frog species described decades ago was based on a mix-up involving the wrong museum ...

A decades-old mix-up in a museum collection led scientists to mistakenly identify a Peruvian poison frog as a new species.

Scientists at the University of Kansas Biodiversity Institute and Natural History Museum recently uncovered a mistake that dates back decades ...

They shine in vibrant red, rich blue, or bright green—and with spots, stripes, or patches, they resemble small works of art ...

In nature, size is often misleading. Some of the most powerful defences on Earth belong not to large predators, but to ...

Poisonous frogs produce and store alkaloid poisons or toxins in their skin, which makes them harmful to touch. They are commonly called poison arrow frogs or poison dart frogs. This is because Native ...

Eye of newt? Check. Toe of frog? Yes, lots of those. It’s not a medieval potion Shedd Aquarium has cooked up, however, or an ingredients list for the witches of “Macbeth.” It’s a new, special exhibit ...