As new species are discovered around the world, others are disappearing without a trace. Amphibians are facing existential threats on a global scale, leading some researchers to believe they’ve ...

A remarkable 100-million-year-old frog fossil discovered in northwest China is providing scientists with a rare glimpse into the reproductive behavior of prehistoric amphibians. The fossilized frog, ...

Curitiba, Brazil used to be forests, wetlands, fields and streams before it was developed over the last half-century. Gilberto Jacob via Unsplash As new species are discovered around the world, others ...