Evolution

yellow-bellied sea snake

Why are there no sea snakes in the Atlantic?

Sea snakes are an evolutionary success story. With about 70 species, they’re the most diverse reptile group in the ocean, outnumbering sea turtle species 10-to-...
Native to Madagascar, Boophis picturatus lives in moist forests and rivers. Photo courtesy of Brian Freiermuth

Extinction event that wiped out dinosaurs cleared way for frogs

The mass extinction that obliterated three-fourths of life on Earth, including non-avian dinosaurs, set the stage for the swift rise of frogs, a new study shows. In a paper published this week in the Proceedings of the National Academy of Sciences...