News

  1. Earth

    Scientists are racing to save the Last Ice Area, an Arctic Noah’s Ark

    The Last Ice Area may be the final refuge for summer sea ice and the creatures that depend on it. Saving it is an ambitious goal with many hurdles.

    By Freda Kreier
  2. Animals

    Climate change may be shrinking tropical birds

    Scientists had previously found that migratory birds are getting smaller as temperatures rise. Dozens of tropical, nonmigratory species are too.

    By Jonathan Lambert
  3. Earth

    A mineral found in a diamond’s flaws contains the source of some of Earth’s heat

    A mineral theorized to exist in the mantle was found hiding in a diamond. Dubbed davemaoite, it could explain where some of Earth’s heat comes from.