A 16.5-million-year-old "unusually complete" baleen whale fossil was found off the Santa Barbara Coast. While discovering the ...

The researchers analyzed microfossils in the sediment layers of the whale to conclude it to be from the Eocene period. The team had been excavating the region for ancient marine mammals for more ...

Certain skeletal features of archaic whales, particularly their large, triangular cheek teeth, strongly resembled those of mesonychids, a group of hoofed Eocene carnivores. (The massive ...

It's the tale of an ancient land mammal making its way back to the sea, becoming the forerunner of today's whales. In doing so, it lost its legs, and all of its vital systems became adapted to a ...