Thanks to decades of conservation work, their population has rebounded to around 400. Trail camera captures rare footage of one of 'world's most critically endangered' species: 'It's very gratifying ...

Not all animals have the name recognition of a T. rex or a dodo. However, plenty of well-known animals have vanished from the ...

Should we bring back extinct animals? Wrong question. Why are we bringing back extinct animals when we have animals, plants, and fungi that are going extinct now, daily? By 2050, up to half of all ...

About 95 million years ago, a juvenile crocodyliform nicknamed Elton lived in what is now southwest Montana at the edge of the Western Interior Seaway. Measuring no more than 2 feet long from nose to ...

Advancing science may make it possible to bring back extinct species like the dire wolf—but should it? CU Boulder environmental studies and philosophy Professor Ben Hale says the answer is complicated ...

EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...