All Stories

  1. Health & Medicine

    CDC tracking 279 U.S. pregnant women with possible Zika infections

    The number of U.S. pregnant women with evidence of Zika infection has climbed to nearly 300, and includes both women with and without symptoms.

    By Meghan Rosen
  2. Animals

    These mystery mounds are actually giant piles of earthworm poop

    The grassy mounds that dot a watery landscape in South America are created by giant earthworms, a new study finds.

    By Sarah Zielinski
  3. Tech

    Insect-sized bot is first to both fly, land

    A tiny aerial robot nicknamed RoboBee uses static electricity to perch on surfaces midflight. The landing device could one day help robots conserve energy during search and rescue missions.

    By Meghan Rosen
  4. Genetics

    Risk identified in procedure for ‘three-parent babies’

    Resurgent mitochondria could spell trouble for disease therapy.

    By Tina Hesman Saey
  5. Neuroscience

    Wiping out gut bacteria impairs brain

    Antibiotics that wiped out gut bacteria curbed brain cell production in mice, a new study finds.

    By Laura Sanders
  6. Genetics

    Some Stone Age humans returned to Africa

    DNA from an ancient woman suggests some humans trekked back to Africa.

    By Bruce Bower
  7. Genetics

    Some Stone Age humans ventured back to Africa

    DNA from an ancient woman suggests some humans trekked back to Africa.

    By Bruce Bower
  8. Oceans

    Ancient tsunamis reshaped Mars’ landscape

    Ancient tsunamis generated by meteorite impacts may have reshaped ocean coastlines on Mars.

    By Thomas Sumner
  9. Animals

    Hornbills join toucans in the cool beak club

    Like toucans, southern yellow-billed hornbills keep things chill with cool beaks.

    By Helen Thompson
  10. Life

    1.56-billion-year-old fossils add drama to Earth’s ‘boring billion’

    Ancient multicellular eukaryotes big enough to be seen by the naked eye discovered in 1.56-billion-year-old rock in China may be an ancestor of modern algae.

    By Meghan Rosen
  11. Oceans

    The Arctic Ocean is about to get spicier

    Variations in the saltiness and temperature of seawater of the same density, called spiciness, could increase as the Arctic Ocean warms.

    By Thomas Sumner
  12. Health & Medicine

    Math offers new view of brain and its disorders

    Editor in chief Eva Emerson discusses new insights into the brain's role in mental illness, sleep, and ancient rituals.

    By Eva Emerson