It’s already baffling how many incredible and strange creatures can be found on planet Earth, with there being well over 8 ...

Roberto Chavez-ArceA diver in the Hoyo Negro pit, holding a Protocyon jaw and vertebrae. 2019. The Sac Actun cave system in Mexico’s Yucatán Peninsula has served as a treasure trove of ancient ...

in large part because no one has ever found viable mammoth cells frozen in ice. And even if an extinct animal could be brought back, she thought, it’d be returning to an altered environment ...

We are researching the cause of megafaunal extinction in the last major extinction event. Hundreds of large mammal species disappeared during the transition from the last glaciation to the present ...

Global warming is producing a rapid loss of plant species—according to estimates, roughly 600 plant species have died out ...

In the case of mammals, the best-studied group of animals, the fossil record indicates that the “background” rate of extinction, the one that prevailed before humans entered the picture ...

This story appears in the October 2019 issue of National Geographic magazine. A naked mole rat. That was photographer Joel Sartore’s first model in 2006 when he began making studio portraits of ...