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.

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 ...

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. — 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 ...

The first episode of "Game of Thrones" Season 8 premiered April 14. It has been two years since the last time HBO released an episode of the TV series adaptation of George RR Martin’s bestselling epic ...