News in Brief

  1. Paleontology

    Peruvian fossils yield a four-legged otterlike whale with hooves

    A newly discovered species of ancient whale unearthed in Peru split time between land and sea.

    By Helen Thompson
  2. Planetary Science

    Hayabusa2 has blasted the surface of asteroid Ryugu to make a crater

    Japan’s Hayabusa2 spacecraft shot a projectile at Ryugu. Next: collecting asteroid dust from the probable impact crater left behind.

    By Lisa Grossman
  3. Health & Medicine

    Testing mosquito pee could help track the spread of diseases

    A new way to monitor the viruses that wild mosquitoes are spreading passes its first outdoor test.

    By Susan Milius
  4. Animals

    Cats recognize their own names

    A new study suggests that cats can tell their names apart from other spoken words.