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

"The Endangered Species List has become like the Hotel California: Once a species enters, they never leave," Secretary of the ...

The American genetic engineering firm Colossal Biosciences recently announced to much fanfare it had "de-extincted" the dire ...

Pioneers in the science of "de-extinction," an American company has announced the births of three pups whose genes resemble ...

Guest Opinion. The Dire Wolf is said to have become extinct about 10,000 years ago. It was a true North American carnivore, ...

Reintroducing mammoths and thylacines might upset existing ecosystems. Since these animals became extinct, others will have evolved and adapted to fill their place. Will these organisms suffer as ...

The recent claim the long extinct dire wolf was resurrected made headlines around the world. But bioethicists and ecologists ...

Two males—named Romulus and Remus, for the mythical brothers suckled by a she-wolf before founding ancient Rome—were born six ...

The fluffy white canines — Romulus, Remus, and Khaleesi — unveiled this week by Colossal Biosciences are closer to something ...

This scientific breakthrough saw the birth of Romulus, Remus and their sister Khaleesi, 'de-extincting' for the first time a line of animals whose ... years ago and became extinct at the end ...

Many species of megafauna became extinct near the time dire wolves became extinct. Phillips said the lack of prey is likely a factor in the extinction of dire wolves. Climate change and possibly ...