All Stories by Science News Staff

  1. Environment

    World’s worst polluted

    A new report by Green Cross Switzerland and the Blacksmith Institute lists places posing the greatest risk to human health.

  2. Astronomy

    Comet ISON was punier than previously thought

    The ice ball was probably no wider than New York’s Central Park.

  3. Computing

    Fastest supercomputers

    The new list of the world’s fastest computers, now in its 20th year, has China’s Tianhe-2 on top with a processing speed of 33.9 petaflops — or quadrillions of calculations per second.

  4. Health & Medicine

    Cancer vaccine in near future foreseen

  5. Health & Medicine

    Drug use on the rise in older set

    The use of illicit drugs has declined slightly over the last decade among teens but is growing more common in people over age 50.

  6. Astronomy

    Bright gamma-ray burst tests idea of event’s origins

    High-energy light particles suggest that physicists need to revise their theories explaining the origin of these cosmic blasts.

  7. Life

    Only two Y chromosome genes needed for viable mouse sperm

    Healthy and fertile mice were born from embryos created using spermlike cells.

  8. Neuroscience

    Another look at paralysis

    Robotic suits help paralyzed people move, but simple behavior changes may prevent the accidents that cause the injuries.

  9. Microbes

    Microbes help hyenas send status updates

    Bacteria in the animals’ waste give off fumes that let passersby know who has been there before.

  10. Paleontology

    Oldest known T. Rex relative found in Utah

    Researchers say the animal — named the gore king of the southwest — was an early member of the tyrannosaur family.

  11. Science & Society

    Feedback

    Our redesigned cover and the astronomy stories from the Oct. 19 issue get readers' reviews.

  12. Psychology

    Male version of eating disorder replaces purging with muscle enhancers

    Physique concerns can drive young men to take banned substances.