Uncategorized

  1. Earth

    Early asteroids unexpectedly crusty

    Two meteorites retrieved from West Antarctica, fragments of an ancient asteroid, contain a type of rock commonly found in Earth’s crust but previously unseen in meteorites.

    By Sid Perkins
  2. Space

    Astronomers get burst of details from early universe

    Unusually bright afterglow records what a galaxy was like soon after Big Bang.

    By Ron Cowen
  3. Health & Medicine

    Parkinson’s brain surgery works in older patients, too

    A surgery in which two tiny electrodes are placed in the brain improves the quality of life of patients with Parkinson’s disease, including older patients, and seems to have only short-term side effects.

    By Nathan Seppa
  4. Space

    Evolution, 3-D animation of Cassiopeia A

    Videos chart old supernova remnant, give 3-D perspective

    By Ron Cowen
  5. Math

    Mathematicians show how beetles can share a niche

    New equations help solve decades-old puzzle of why one species doesn’t always outcompete another.