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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Preserving the northern white rhino now requires overcoming functional extinction, as there are only two females remaining. The ...

There are no known living males and neither of the two remaining northern white rhinos on Earth - a mother and her daughter living in Kenya. Photo: Courtesy. Scientists working to save the northern ...

The Western Black Rhino of Africa is officially extinct. The International Union for Conservation of Nature said that two other subspecies of rhinoceros will soon meet the same fate: the African ...

As a global effort continued to save the Northern white rhino intensified, scientists succeeded in creating two embryos of the near-extinct species. “Today, we achieved an important milestone on a ...

Frozen wolf pup stomach tissue produced a complete woolly rhino genome, implying stable genetics right before extinction hit ...

For 35 years, American zoologist Laurie Marker has been collecting and storing specimens in a cheetah sperm bank in Namibia, hoping conservationists never have to use them. Rwanda's biggest national ...

NAIROBI (Reuters) - Scientists working to save the northern white rhinoceros from extinction plan to implant its artificially developed embryos in another, more abundant rhino subspecies in Kenya ...