News

  1. Earth

    Reef record suggests impending Sumatra quakes

    Evidence of seafloor rise and fall shows southern Sumatra is at start of new earthquake cycle.

    By Sid Perkins
  2. Space

    Astronomers zero in on Milky Way’s black hole

    Astronomers report a new value for the supermassive black hole at the galaxy’s center.

    By Ron Cowen
  3. Space

    Reading ripples in the cosmic microwave background

    Researchers analyzing the wiggles imprinted on the cosmic microwave background, the radiation leftover from the Big Bang, have now demonstrated that those wiggles can be used to find the fingerprints of dark energy.

    By Ron Cowen
  4. Physics

    Superglass could be new state of matter

    Simulations of helium-4 show that a superglass, in which atoms flow without friction, is possible.