News

  1. Health & Medicine

    ‘Dirty’ mice better than lab-raised mice for studying human disease

    Dirtier mice may better mimic human immune reactions.

    By Tina Hesman Saey
  2. Cosmology

    How to make gravitational waves ‘sing’

    A rapidly spinning black hole would make a unique pattern of gravitational waves when it sucks in a smaller companion.

    By Emily Conover
  3. Humans

    Pieces of Homo naledi story continue to puzzle

    Researchers defend Homo naledi as a new hominid species and debate how it reached an underground cave.

    By Bruce Bower
  4. Quantum Physics

    Information is physical, even in quantum systems, study suggests

    A thermodynamic principle says that deleting information generates heat, and now, scientists say that goes for quantum systems, too.