News

  1. Life

    Dinosaur fossil reveals creature of a different feather

    Paleontologists have discovered a fossil partially covered with broad, unbranched filaments — a type of structure previously theorized to exist on primitive feathered dinosaurs but not found until now.

    By Sid Perkins
  2. Life

    Genetic sameness could be factor in Tasmanian tiger extinction

    The first complete mitochondrial genome of the Tasmanian tiger is revealed. Analysis shows little genetic diversity.

    By Tina Hesman Saey
  3. Archaeology

    Armenian cave yields ancient human brain

    A team of scientists has excavated 6,000-year-old artifacts and three human skulls, including one containing a preserved brain, from a cave bordering Armenia’s Arpa River.

    By Bruce Bower
  4. Archaeology

    Early chemical warfare comes to light

    Investigations of a Roman garrison in Syria conquered in a massive assault by Persians nearly 2,000 years ago have uncovered evidence of the earliest known chemical warfare.