Fossils of the pterosaur were discovered in Petrified Forest National Park. The fossils date back 209 million years.

Dominated by carbon-rich swamps and forests proliferating across Earth's rocky surface, the Carboniferous period saw a boost ...

When large marine animals like whales die, they sink down to the seabed. Once their flesh has been stripped away by ...

From them, however, Sir William Herschel computed the period of rotation at 10 hours and 16 minutes. In 1876 a very bright spot appeared near the equator of Saturn, and remained visible for ...