A professor's casual hike in the High Sierra turned into a new elevation record for California's highest tree, the Jeffrey pine, which wasn't formerly known to grow at extreme elevations.

When the ground shook, the elephants at the San Diego Zoo Safari Park were rock solid in their instincts. When a ...

A herd of African elephants instinctively circled their young in a protective huddle as a 5.2 magnitude earthquake near the ...