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Scientists have long wondered where the Kinnekulle tephra came from. It now appears this ancient giant was the source.
Visitors videotaped a tree-lined floating island about the size of two NFL football fields in British Columbia’s Williston Reservoir. Then it vanished.
These disasters can be deadly, and understanding your risk will become increasingly important as the world warms.
This phenomenon has only occurred five times within the last four decades.
A new study presents a geological explanation for the East Antarctic Ice Sheet's head start.
