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A 70,000–100,000-year-old site in China’s Lower Yangtze region yielded 3,596 stone artifacts. Their size and manufacture point to a change in toolmaking, but not to a known species or a settled explanation.
What can an 8,300-year-old Jomon genome reveal about prehistoric Japan? New high-coverage DNA sharpens the story of migration, isolation and cultural change.
An ancient star cluster is slowly coming apart in a galaxy 115 million light-years away. The thin trail it left behind is giving astronomers a new way to study dark matter beyond the Milky Way.
Avi Loeb’s baseball-pitch analogy shows why motion, distance and the observing medium matter when scientists interpret UAP reports.
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