Tim Andrews was among the world's first recipients of a genetically modified pig kidney a year ago. Now, he is the first in ...

I n August 1939, just a few weeks before the outbreak of the Second World War, a scattering of ivory mammoth fragments was ...

Killing the protected animals may be the only way to stop them from eating too many of the Pacific Northwest’s endangered ...

Colorado Parks and Wildlife ends search for mountain lion in fatal attack. Trail reopens with signage. Mountain lions in area ...

State wildlife officials have ended a search for a third mountain lion in the area of north-central Colorado where a solo ...

A woman who was killed in a suspected mountain lion attack in Larimer County has been identified, and authorities have called ...

LARIMER COUNTY, Colo. (KDVR) — Colorado Parks and Wildlife said it has ended the active search for a third mountain lion following the deadly attack of a woman on the Crosier Mountain Trail on New ...

Update: Colorado officials have confirmed that the hiker found dead on a trail in Larimer County on New Year’s Day was killed in a mountain lion attack. Necropsies performed by Colorado Parks and ...