Now, new geological data show that sea levels rose about 125 feet (38 meters) between 11,000 and 3,000 years ago, according ...

It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid ...

Over 700 million years ago, Earth experienced a dramatic climate event known as the Sturtian glaciation, one of the most extreme ice ages in history. During this period, the planet was encased in ...