If just these 10 species went extinct ... Sharks play an important role in the food chain. Smaller animals like shellfish may go extinct if there were no sharks to eat seals, for example.

There are only 10 or less of this little porpoise species left in the world. What can be done to save the vaquita?

Amongst the ever-growing list of animals that are going to be extinct, here are the ones we may never see again.

The purpose: to capture for posterity species that someday might be extinct ... nearly 10,000 animals in the Ark. He plans to keep going to 15,000, which could take another 10-15 years.

A growing group of scientists is trying to bring back extinct animals, an idea that is drawing closer than ever because of recent advances in gene editing. Shapiro, one of the world’s leading ...