You’re probably familiar with the story of how frogs make more frogs. It goes like this: When a lady frog and a dude frog love each other very much, they play a little game of piggyback that results ...

For decades, biologists thought that early tetrapods, ancient vertebrates that started conquering the land over 300 million years ago, developed like modern amphibians—beginning their lives as purely ...

For spotted salamander embryos nearing hatching, they get by with a little help – not from friends, but from animals that are actually their predators. Voracious frog tadpoles chew on the egg masses, ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Paleontologists working in Patagonia have unearthed the oldest-known ...

Some tadpoles don’t poop for the first weeks of their lives. At least, that’s the case for Eiffinger’s tree frogs (Kurixalus eiffingeri), scientists report September 22 in Ecology. Eiffinger’s tree ...