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The region needs to be prepared for the possibility of more intense quakes than previously thought, a new study of tree rings finds
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Items found in a Spanish cave are older than previously thought, a new study suggests, calling into question "simplistic assumptions" about early humans
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The first of these festivals debuted in the early 1960s, serving as a prime example of the United States' burgeoning counterculture
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An endangered group of killer whales in the Pacific Northwest has been toying with porpoises for decades—and new research offers some possible explanations
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The nearly mile-long structure allowed inhabitants to paddle to rich fishing grounds and access trade routes
