Researchers now believe the sprawling Yellowstone caldera was created by two massive eruptions from the supervolcano that occurred approximately 630,000 years ago...
Researchers now believe the sprawling Yellowstone caldera came into being as a result of two massive eruptions from the supervolcano that occurred approximately 630,000 years ago...
Mystery still shrouds much of the story of our origins, but new Arizona State University (ASU) research sheds new light on why we first emerged where and when we did...
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