Poison dart frogs have fascinated researchers. Now their toxin has allegedly been linked to the death of Russian opposition leader Alexei Navalny.

This is WEEKEND EDITION from NPR News. I'm John Ydstie. There's a new trend in the pet world that has nothing to do with cockapoodles, ferrets or Siamese fighting fish. More and more people around the ...

Pets Poison dart frogs invade N.C. science museum The North Carolina Museum of Natural Sciences in Raleigh will soon reopen an exhibit featuring the poison dart frog.

Add Yahoo as a preferred source to see more of our stories on Google. The “metallic poison frog” Ranitomeya aquamarina (left) and the “heavenly” Ranitomeya aquamarina (right) are the first newly ...

STAMFORD — An orange and black male frog not much longer than an inch carries a tiny tadpole up to the top of a tropical plant and places it inside a well of water to await its first meal: an ...

Unlike their relatives, individuals of the poison frog Allobates femoralis are not poisonous but are captivating due to their different behavioral profiles: They successfully reproduce with different ...