Obsidian Falls in the Three Sisters Wilderness near McKenzie Pass. BEND — The Obsidian Trailhead near McKenzie Pass required a limited-entry permit for hikers long before any other trailheads in the ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

BEND, Ore. (AP) — After a day spent on the Obsidian Trail exploring the western bases of North and Middle Sister, it is easy to understand why the U.S. Forest Service limits the number of hikers and ...

In June of 1867 — a few months before Alaska would become part of the United States with the transfer of $7.2 million to Russia — William Healey Dall picked up a shiny black rock from a riverbank.