News

  1. Materials Science

    New device can transmit underwater sound to air

    A newly created metamaterial takes a shot at solving the problem of hearing underwater sounds from the surface.

    By Dan Garisto
  2. Astronomy

    Stars with too much lithium may have stolen it

    Some small stars have extra lithium before they grow old, suggesting they get extra amounts of the element from an external source.

    By Lisa Grossman
  3. Tech

    New technique could help spot snooping drones

    There may be a new way to tell if a drone is creeping on you or your home.

    By Maria Temming
  4. Astronomy

    Mysterious high-energy particles could come from black hole jets

    Three types of high-energy cosmic particles could all have the same source: black holes in galaxy clusters.