In celebration of World Walrus Day, National Museum of Natural History director Kirk Johnson talks about his new documentary on the saber-toothed seals Jack Tamisiea As a paleobotanist, Kirk Johnson’s ...

A new discovery by a team of paleontologists, led by Dr. Mathieu Boisville (University of Tsukuba, Japan), has uncovered a new species of the extinct genus Ontocetus from the Lower Pleistocene ...

Although an extinct animal was from a different group of marine mammals, an examination of fossils showed it evolved a way of eating that was very similar to that of modern walruses. By Asher Elbein ...

Walruses (Odobenus rosmarus) are distinct for their massive, long tusks and fuzzy mustache-like faces, but a recently discovered extinct species looks slightly different from the creature that chilled ...