Dolphins live in all the world’s oceans and even some of the largest freshwater rivers. Like whales, they’re considered cetaceans, or marine-dwelling mammals. There are four main families of dolphins, ...

NEW YORK (Reuters Health) - Using stem cells harvested from the extracted wisdom teeth of young adults, researchers have successfully generated tooth root and supporting tooth ligaments to support a ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The saber-toothed cats that once prowled modern day California had ...

At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs.