News in Brief

  1. Physics

    ‘Time crystals’ created in two new types of materials

    A state of matter that repeats itself in time, not space, was found in certain liquids and a solid.

    By Emily Conover
  2. Anthropology

    Butchered rhino bones place hominids in the Philippines 700,000 years ago

    Stone tools and butchery marks point to an ancient hominid presence on islands in the Philippines.

    By Bruce Bower
  3. Animals

    Defenseless moths do flying impressions of scary bees and wasps

    Faking that erratic bee flight or no-nonsense wasp zoom might save a moth’s life.

    By Susan Milius
  4. Planetary Science

    Last year’s solar eclipse set off a wave in the upper atmosphere

    The August 2017 solar eclipse launched a wave in the upper atmosphere that was detected from Brazil after the eclipse ended.