SAN DIEGO, Calif. (KABC) -- Nola, an endangered female white rhinoceros, died Sunday at the San Diego Zoo Safari Park. The San Diego Zoo Global Wildlife Conservancy tweeted out the sad news around 11 ...

Quick Take Sudan, the last male northern white rhino, died, underscoring extinction and the emotional toll on caretakers.

Ol Pejeta Conservancy, Kenya (CNN) At first glance, Sudan looks like any other northern white rhino: stout and agile, with square lips. He grazes under the hot sun, his massive head lowered to the ...

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 ...

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 ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

As humans continue to encroach on our planet, we are driving a mass extinction that some experts call a "biological holocaust." Since more and more species are dying, it creates an increasing number ...

In a groundbreaking effort to save the Northern White Rhino from the brink of extinction, scientists have embarked on an ambitious mission-implanting lab-created embryos into surrogate rhinos in hopes ...

PRAGUE (AP) — One of the last five northern white rhinoceros left in the world has died. The Czech zoo in Dvur Kralove says the 31-year-old female Nabire died Monday evening due to a ruptured cyst.

FILE - A black rhino, on the Red List of Threatened Species according to IUCN (International Union for Conservation of Nature), eats grass at Nairobi National Park, on the outskirts of Nairobi, on ...

If she carries her pregnancy to term, Victoria's calf could be born next summer. Scientists at a San Diego zoo are celebrating the pregnancy of a southern white rhino named Victoria. The pregnancy, ...

Sudan, the last male northern white rhino, feeds himself inside an enclosure at Ol Pejeta Conservancy in Nanyuki, Kenya, on April 18, 2015. Sudan has died. (Sun Ruibo/Xinhua/Sipa USA/TNS) JOHANNESBURG ...