Scientists have discovered a nearly complete skull of a Hyaenodonta, a hypercarnivore that that lived during the Oligocene Epoch some 20 million years ago. Scientifically known as Bastetodon ...

A new genus of tiny, hornless deer that lived in South Dakota during the Oligocene Epoch approximately 32 million years ago has been discovered by a team of researchers from Badlands National Park ...

The generally warm and ice-free conditions of the Eocene epoch rapidly declined to the cold and glaciated state of the Oligocene epoch. Geochemical evidence from deep-sea sediments resolves in ...

Focusing on the end of the Eocene epoch and the Eocene-Oligocene transition was a critical but very brief interval in Earth's history. Skip to main content. Your source for the latest research news.

The new species, named Scyliorhinus weemsi after paleontologist Dr. Robert Weems, lived nearly 30 million years ago during the Oligocene Epoch of the Paleogene Period.

The boundary between the easterly and westerly prevailing winds (the polar front) during the Oligocene epoch (yellow line) was determined from fossil data.

The research on fossil remains of a new genus of tiny, hornless deer that lived in South Dakota about 32 million years ago, during the Oligocene Epoch, was published this week in the Proceedings ...

Some 30 million years ago, during what’s known as the Oligocene Epoch, a leopard-like hypercarnivore—that is, an animal whose diet is at least 70 percent meat—stalked the lush forest of ...