Newly discovered proto-amphibian, Kermitops (USNM PAL 407585) from the Department of Paleobiology collections at the Smithsonian Institution National Museum of Natural History. The species is named ...

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.

Lost fossils reveal that some of the first ocean predators went global astonishingly fast after Earth’s worst extinction.

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Surprising animal behaviors, from birds to amphibians, are revealing deep biological processes. Scientists are uncovering how viruses manipulate cells, how the immune system balances defense, and how ...