Explore the universe with news on fascinating discoveries, scientific advancements and more A rare fossil has provided a ...

Fossil evidence has led to the identification of a new prehistoric mammal with similarities ... shifts influenced walrus evolution and marine mammal survival. “The beautiful thing about walruses ...

and giant marine reptiles were conspicuously absent from the face of the Earth. Rodent-size (and perhaps larger) mammals emerged, suddenly free to fill the void. Over the next 42 million years ...