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 ...

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

Toxins found in the skin of poison dart frogs may hitch a ride there via molecular taxicabs. Now, scientists have pinpointed a protein that can give at least some poisons a ride. The protein, dubbed ...

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 ...