While travelling through South Africa's Kruger National Park, visitors witnessed a rare, high-stakes pursuit when a cheetah ...

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. But she worries that the ...

CAPE TOWN, South Africa (AP) — 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 ...

American zoologist Laurie Marker has been collecting and storing specimens in a cheetah sperm bank in Namibia for 35 years, hoping conservationists never have to use them CAPE TOWN, South Africa -- ...

FILE - A cheetah descends from on top of a mound in the savannah of the Maasai Mara, Kenya, July 6, 2015. CAPE TOWN, South Africa (AP) — For 35 years, American zoologist Laurie Marker has been ...