Horned frogs' powerful bites hint that an extinct, ancient relative may have packed even more of a mouthy wallop.
The massive extinction that wiped out the dinosaurs paved the way for frogs to explode in diversity, new research suggests.
Scientists are still trying to make sense of something extremely weird that happened between a pair of Ambystoma salamanders millions of years ago.
In a tiny new frog species recently discovered in Ecuador, see-through skin over the frogs’ chests fully exposes their wee little hearts.
Researchers have now found that abandoned tadpoles don’t wait for their father to return, because they run the risk of getting eaten by cannibalistic siblings.
Tadpoles that "see" through eyes grafted onto their tails represent an exciting step forward for regenerative medicine, researchers said.
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