Sometimes, Jon Richard says, he’ll be up in the canopy of a large Missouri tree, doing work of some kind, and will stop for a moment to sit still on a perch.

Scientists learn how to ascend and study the world’s tallest trees. Tree Climbing School at Dorena offers a demanding 4-day training to teach ecologists and scientists the skills they need to ascend ...

"I saw very little issues with all the large giant sequoias, and everything's looking really good in there," said Chad Costa, ...

SEQUOIA NATIONAL PARK, Calif. – Tahoe local Anthony Ambrose has climbed hundreds of giant sequoias in his day, but none like this one. The General Sherman tree in Sequoia National Park stands 275 feet ...

You’re enjoying the evening breeze in your California backyard when you notice something dark and scaly slithering up a tree branch, Startled, you take a second look — and catch a glimpse of an ...