Scientists have discovered the oldest-known fossil of a tadpole, dating back approximately 161 million years to the Middle Jurassic period Scientists have discovered the oldest-known fossil of a ...

Early in development, many animals pick a team — male or female — based on their genetics, and, with time, acquire the characteristics to match. New research from the Marine Biological Laboratory (MBL ...

The green-and-black poison dart frog is native to Central America and the north-west part of South America The huge diversity of frogs we see today is mainly a consequence of the asteroid strike that ...

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.

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, ...