News

  1. Planetary Science

    Mercury’s surface still changing

    A population of small cliffs on Mercury suggests that the planet might have been tectonically active in the last 50 million years.

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  2. Archaeology

    Ancient Maya codex not fake, new analysis claims

    New report suggests an ancient Maya text — the bark-paper Grolier Codex — could be the oldest known document in Americas.

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  3. Health & Medicine

    Sugar industry sought to sugarcoat causes of heart disease

    Sugar industry has long, sweet history of influencing science.

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  4. Earth

    Nuclear blasts, other human activity signal new epoch, group argues

    A group of scientists will formally propose the human-defined Anthropocene as a new epoch in Earth’s geologic history within a few years, probably pegging the start date to nuclear tests.