News

  1. Paleontology

    Tiny scales in ancient lagoon may be the first fossil evidence of the moth-butterfly line

    Fancy liquid-sipper mouthparts might have evolved before the great burst of flower evolution

    By Susan Milius
  2. Astronomy

    Trio of dead stars upholds a key part of Einstein’s theory of gravity

    A cosmic test fails to topple the strong equivalence principle.

    By Emily Conover
  3. Astronomy

    Pollution is endangering the future of astronomy

    Astronomers discuss multiple threats from pollution that will make it harder to observe the night sky.

    By Dan Garisto
  4. Climate

    Rising CO2 in lakes could keep water fleas from raising their spiky defenses

    Rising CO2 in freshwaters may change how predators and prey interact in lakes.