News

  1. Health & Medicine

    Childhood trauma raises risk of heart disease

    A childhood filled with psychological or physical tribulations contributes to one's risk of developing heart disease as an adult.

    By Ben Harder
  2. Astronomy

    Messy Findings: Planets encounter a violent world

    Some young planets continue to take a beating hundreds of millions of years after they've formed.

    By Ron Cowen
  3. Health & Medicine

    A Problem of Adhesion: More evidence of sickle-cell stickiness

    Interrupted blood flow in people with sickle-cell disease might arise from stickiness inherent in the unusual red blood cells these individuals have.

    By Nathan Seppa
  4. Paleontology

    Early Bird: Fossil features hint at go-get-’em hatchlings

    A well-preserved, 121-million-year-old fossilized bird embryo has several features that suggest that the species' young could move about and feed themselves very soon after they hatched.