News

  1. Astronomy

    A simulation of a dying star shows how it could create gravitational waves

    Massive jets and an expanding cocoon of debris from a collapsing star could be a source of never-before-seen ripples in spacetime.

    By Lisa Grossman
  2. Animals

    When and why did masturbation evolve in primates? A new study provides clues

    In a first-of-its-kind comparative study, researchers show that primates were masturbating 40 million years ago and that the behavior may help males keep their sperm fresh.

    By Darren Incorvaia
  3. Life

    A gene therapy shot might keep cats from getting pregnant without being spayed

    Even after mating with fertile males, females given the cat contraceptive, which targets an ovulation-preventing hormone, did not get pregnant.