All Stories

  1. Physics

    The center of Earth is younger than the outer surface

    Einstein’s general theory of relativity predicts the center of the Earth is two years younger than the crust.

    By
  2. Astronomy

    Young sun’s super solar flares helped set early Earth up for life

    Super solar flares may have provided early Earth with planet-warming and life-building molecules.

    By
  3. Animals

    For baby sea turtles, it helps to have a lot of siblings

    After hatching, baby sea turtles must dig themselves out of their nest. This requires less energy if there are lots of siblings, a new study finds.

    By
  4. Life

    Scientists find way to break through bad bacteria’s defenses

    Enzymes can break down bacterial biofilm’s sugary walls.

    By
  5. Climate

    Zapping clouds with lasers could tweak planet’s temperature

    Breaking up the ice particles inside cirrus clouds could make them reflect more light, turning them into a tool to combat global warming.

    By
  6. 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
  7. 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
  8. 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
  9. Genetics

    Risk identified in procedure for ‘three-parent babies’

    Resurgent mitochondria could spell trouble for disease therapy.

    By
  10. Neuroscience

    Wiping out gut bacteria impairs brain

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

    By
  11. Genetics

    Some Stone Age humans ventured back to Africa

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

    By
  12. Genetics

    Some Stone Age humans returned to Africa

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

    By