The more they dig in Orange County, the more mastodon remains they find. The Ice Age mammals went extinct 11,000 years ago.

Braces, rubber bands, even jaw surgery—millions endure them in pursuit of a straighter smile. But were misaligned smiles ...

The oldest known bone spear tip in Europe has been identified in a cave in southwest Russia. Dated to between 70,000 and 80,000 years ago, the ancient artifact was crafted tens of millennia before ...