Sometimes — but not very often — a door creaks open to a lost world. Sometimes the right person steps in. Dale Guthrie, an Alaska biologist and paleontologist who died in 2024 at the age of 88 ...

May 9, 2025 — The Arctic landscape during the Cretaceous Period may have been dominated by the dinosaurs, but the rivers and streams held something more familiar. Alaska's fresh waters 73 ...