A duplicated gene evolved into a switch that determines sex in frogs, revealing how evolution can safely reshape critical ...

Early in development, many animals pick a team—male or female—based on their genetics, and, with time, acquire the ...

(Phys.org) —A University of Arizona biologist researching frog evolution has discovered striking similarity in frog species on different continents and proposes two very different ways that this ...

Scientists have now discovered the oldest ancestor for all the Australian tree frogs, with distant links to the tree frogs of South America. Newly discovered evidence of Australia's earliest species ...

The realization has big implications for how scientists think about evolution. Phenotypic plasticity offers a solution to the crucial puzzle of how organisms adapt to environmental challenges, ...

Call it a grand-phibian. Scientists have unearthed a fossil of the world’s oldest tadpole in Argentina — a shock finding that could alter our understanding of amphibian evolution, experts say.

This newly discovered poison frog may represent an evolutionary step on the pathway towards developing brilliant warning coloration associated with other poison dart frogs. A small reddish-brown frog ...