News

  1. Paleontology

    Young and Helpless: Fossils suggest that dinosaur parents cared

    Skeletal remains found in the fossilized eggs of an early dinosaur hint that adults of the species may have cared for their hatchlings.

    By Sid Perkins
  2. Animals

    Wing Ding: Bird rubs feathers for cricketlike song

    Scientists say that they have found the first vertebrate to make its courtship music in the same way as a cricket does.

    By Susan Milius
  3. Physics

    Glints from Inner Space: Sensing Earth’s hidden radioactivity

    Physicists have observed signatures of radioactivity deep within Earth, enabling measurement of planet-wide thorium and uranium quantities.

    By Peter Weiss
  4. Astronomy

    Planet potential

    Observations with the Submillimeter Array on Hawaii's Mauna Kea reveal that, despite their bombardment by a stellar bully, the disks in Orion have enough material to form planets.