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  1. Planetary Science

    A crumbling exoplanet spills its guts

    Astronomers have determined the internal composition of a distant, disintegrating planet for the first time.

    By Lisa Grossman
  2. Health & Medicine

    What bird flu experts are watching for in 2025

    Since early 2024, the U.S. has logged 66 human cases of H5N1. Scientists are keeping a watchful eye on the virus’s spread as we enter a new year.

    By McKenzie Prillaman
  3. Archaeology

    Ancient, engraved stones may have been buried to summon the sun

    Members of a Stone Age culture in Denmark may have ritually buried stones to counter the effects of a volcanic eruption.

    By Richard Kemeny

  4. Why the FDA banned the common food dye Red No.