Johan Marais spots a rhinoceros from a helicopter and shoots it with a tranquilizer dart. Another five minutes will pass before the rhino goes down. A team is ready on the ground to make sure the ...

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 ...

In the protected habitats of rhinos, a surprising conservation technique is underway. Wildlife officers are cutting the horns off rhinos in a practice known as dehorning.

Conservationists are increasingly turning to a method of protecting the world’s diminished population of rhinoceroses: removing their horns before poachers can get their hands on them. A study ...

CAPE TOWN, South Africa (AP) — Cutting off the horns of sedated rhinos with a chainsaw has been viewed by wildlife conservationists in Africa for more than 30 years as a necessary evil to save the ...

A de-horned rhino and her calf rest in their corral at a rhino orphanage in the Hluhluwe-iMfolozi Game Reserve in the KwaZulu Natal province South Africa on Feb. 15, 2016. CAPE TOWN, South Africa — ...

The birth of a critically endangered Eastern black rhino is cause for celebration this month at a zoo in Ohio. Cleveland Metroparks Zoo announced last week that the male calf was born on Saturday, ...

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