Uncategorized

  1. Ecosystems

    Planting trees could buy more time to fight climate change than thought

    Earth has nearly a billion hectares suitable for new forests to start trapping carbon, a study finds.

    By Susan Milius
  2. Genetics

    This gene may help worms live longer, but not healthier

    Antiaging therapies may have trade-offs, research on worms suggests.

    By Tina Hesman Saey
  3. Cosmology

    Scientists still can’t agree on the universe’s expansion rate

    A mismatch in measurements of how fast the universe is expanding might not be real, a study hints.

    By Emily Conover
  4. Earth

    Night-shining ‘noctilucent’ clouds have crept south this summer

    Clouds high in the atmosphere that catch the sun’s rays even after sundown may be seen farther from the poles due to an increase in moisture in the air.