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 ...

Researchers at Kenya’s Ol Pejeta Conservancy witnessed a biological breakthrough recently when a southern white rhinoceros ...

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 ...

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 ...

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.

Ugandan wildlife authorities have reintroduced rhinos into a remote protected area where they were once poached into ...

In a Kenyan wildlife conservancy near the equator, armed guards protect two northern white rhinoceroses, Najin and Fatu. They are the last two northern white rhinos alive—both non-reproductive females ...

Add Yahoo as a preferred source to see more of our stories on Google. EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, ...