News

  1. Astronomy

    Rare trio of supermassive black holes found

    Three supermassive black holes residing where two distant galaxies collide offer new clues about where to look for gravitational waves.

    By Christopher Crockett
  2. Science & Society

    Weapon inspection scheme would test for nukes but keep designs secret

    Technique borrowed from computer science could improve weapon verification and encourage countries to agree to nuclear disarmament.

    By Andrew Grant
  3. Animals

    Lionfish dance can recruit partner for hunting

    Slow but superb predators recruit pals for cooperative hunting, often striking in what looks like well-mannered turn taking.

    By Susan Milius
  4. Health & Medicine

    Junk food ahead of pregnancy may harm baby-to-be

    Women who have poor diets in the year before conception might have a higher risk of delivering a baby preterm than do women who eat healthful foods

    By Nathan Seppa
  5. Astronomy

    Galaxy seed found from 3 billion years after Big Bang

    A still-growing core of a galaxy in the early universe may help astronomers understand how massive elliptical galaxies get their start.