New research reveals that shifts in plant life played a key role in speeding up major climate changes during the late Miocene, a period spanning 11.6 to 5.3 million years ago.

Scientists reveal new details about the 5.3-million-year-old flood, which triggered earthquakes, generated tropical-storm ...

Squat rhinos lived in North America about 12 million years ago, congregating in huge, water-bound herds much like modern hippos.

The Miocene period dates from 23 to 5 million years ago. A 1,500-pound whale fossil was found along the Gaviota Coast. The Santa Barbara Museum of Natural History says the fossil is unique for how ...

The Miocene period dates from 23 to 5 million years ago. A 1,500-pound whale fossil was found along the Gaviota Coast. The Santa Barbara Museum of Natural History says the fossil is unique for how ...