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  1. Science & Society

    Here are the Top 10 threats to the survival of civilization

    These aren’t just movie scenarios. From aliens and asteroids to pandemics, war and climate change, civilization as we know it is at risk.

    By Tom Siegfried
  2. Physics

    The W boson might not be heavier than expected after all

    A new and improved look at the mass of the W boson is in close alignment with theory, but it doesn’t negate an earlier, controversial measurement.

    By James R. Riordon
  3. Archaeology

    What did Homo sapiens eat 170,000 years ago? Roasted, supersized land snails

    Charred shell bits at an African site reveal the earliest known evidence of snail-meal prep, suggesting ancient humans cooked and shared the mollusks.