The Mesozoic Era extinctions formed the world as we know it today. Read about what caused them and which animals survived.

The recent claim the long extinct dire wolf was resurrected made headlines around the world. But bioethicists and ecologists say there are ethical concerns.

Illinois has seen some wild things over the years—tornadoes, deep-dish pizza debates, and now, apparently, the resurrection ...

From dire wolves to woolly mammoths, the idea of resurrecting extinct species has captured the public imagination. Colossal ...

For the first time ever, scientists say they have made a species de-extinct, bringing the dire wolf back into the world thousands of years after it died off. Colossal Biosciences, a company based ...

The birth of tortoises native to Santa Cruz Island in the Galápagos increases their U.S. population from 44 to 48. A few ...