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 ...

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 ...

At Kenya's Ol Pejeta Conservancy in Nanyuki, the last two northern white rhinos - both females - are secured in an enclosure. The northern white rhino, is technically extinct, but the caretakers at ...

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 ...

Returning to Ol Pejeta Conservancy offered a rare and emotional opportunity to meet Fatu and Najin, the last two Northern ...

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 ...

Scientists fight to revive the northern white rhino — before it’s too late. The northern white rhino teeters on the brink of extinction. At Ol Pejeta Conservancy and the San Diego Zoo’s Frozen Zoo, ...

Sudan who lived at the Ol Pejeta Conservancy in Kenya was put to sleep on Monday after age-related injuries worsened significantly. Sudan, 45, who lived at the Ol Pejeta Conservancy in Kenya was put ...

Two rhinos munch serenely on grass as the sun rises over Mount Kenya, oblivious to the massive global endeavour to prevent them being the last of their kind. Najin and her daughter Fatu are the only ...