Cheetahs rule land, but the real speed kings soar and swim. From diving falcons to ocean racers, discover the animals that outrun expectations and redefine what fastest truly means today.

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 ...

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 ...

For 35 years, scientists have been banking cheetah sperm in Namibia as a last-resort plan to protect the species, whose population has plunged to under 7,000 ...