In its 4.5 billion year history, Earth has undergone five mass extinctions and we are potentially in a sixth era of mass ...

One answer might be that, because long-extinct species pose the hardest biological challenges, working on de-extinction in these animals pushes scientists to develop cutting-edge genetic ...

Cloning has been used to briefly bring back the pyrenean ibex, which went extinct in 2000. In 2003, a Spanish team brought a cloned calf to term, but the animal died a few minutes after birth.

To the public, de-extinction often evokes images of Jurassic Park-style resurrection ... These were introduced into the genome of a gray wolf to mimic key traits of the extinct dire wolf. The ...

Will womb transplants transform fertility? What should we make of 'de-extinction' claims? And why are prices falling in the art market? Olly Mann and The Week delve behind the headlines and debate ...

"The Endangered Species List has become like the Hotel California: Once a species enters, they never leave," Secretary of the Interior Doug Burgum wrote Cover Images via AP Images; Getty Images ...

Aunt_Spray / Getty Images Replicas of the now-extinct Dodo birds The post continued ... and nonessential experimental population. Some animals on the endangered species list include cheetahs, lemurs, ...

They debuted photos of five-month-old Romulus and ... the entire ecosystem went extinct: insects, plants, animals.” These environmental elements shaped the animals who lived among them, on ...

What would happen if polar bears were to go extinct? And more importantly, who holds responsibility for this potential tragedy? Polar Bear. Photo by Hans-Jurgen Mager, via Unsplash Polar bears (Ursus ...

These adorable little animals look like white puppies, not the fruit of a daring science project to resuscitate an extinct ...

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

They crawled hesitantly, whimpered softly, and drank from baby bottles — a sight more akin to adorable white puppies than the controversial product of an unprecedented de-extinction initiative.