All Stories

  1. Health & Medicine

    Zika infection late in pregnancy may be not so risky

    An early report out of Colombia finds no microcephaly in babies born to a group of pregnant women infected with Zika virus during the third trimester.

    By Meghan Rosen
  2. Astronomy

    Molecular handedness found in space

    Propylene oxide in an interstellar cloud sets up a testing ground for understanding why life chooses one type of mirror-image molecule over another.

    By Christopher Crockett
  3. Physics

    Second gravitational wave signal detected

    LIGO has spotted a second set of ripples in the fabric of spacetime.

    By Emily Conover
  4. Animals

    City living shortens great tits’ telomeres

    Great tits raised in urban nests have shorter protective caps on their chromosomes than those raised in rural nests.

    By Helen Thompson
  5. Animals

    City living shortens great tits’ telomeres

    Great tits raised in urban nests have shorter protective caps on their chromosomes than those raised in rural nests.

    By Helen Thompson
  6. Life

    Vaccines may offer defense against dengue, Zika and chikungunya

    Mosquitoes carry several harmful viruses—dengue, Zika, chikungunya. Vaccines may be the best means of defense.

    By Laura Beil
  7. Health & Medicine

    WHO: Very little risk that Brazil’s Olympics will speed Zika’s spread

    Olympics not likely to hasten international spread of Zika virus, according to WHO analysis that includes data from previous mass gatherings.

    By Meghan Rosen
  8. Astronomy

    Limestone world gobbled by planet-eating white dwarf

    Debris from a shredded planet points to a world that was once covered in calcium carbonate.

    By Christopher Crockett
  9. Animals

    Lemurs sing in sync — until one tries to go solo

    Indris, a lemur species in Madagascar, sing in synchrony and match rhythm, except for young males trying to stand out.

    By Helen Thompson
  10. Planetary Science

    Long-lost ‘extinct’ meteorite found

    A newly discovered meteorite, nicknamed Öst 65, may have originated from the same collision that formed L chondrites, one of the most abundant groups of meteorites on Earth.

    By Thomas Sumner
  11. Chemistry

    Movie viewers’ exhaled chemicals tell if scene is funny, scary

    Changes in trace gases exhaled by movie audiences could point the way to a subtle form of human communication.

    By Cassie Martin
  12. Animals

    ‘Kermit Sutra’ gets seventh amphibian mating position

    Bombay night frogs’ unusual mating protocol features indirect sperm transfer and female croaks.

    By Susan Milius