News

  1. Tech

    Road Warriors: Robotic vehicles triumph over desert obstacles

    In a landmark contest that has spurred advances in robotic-vehicle technology, five driverless racing machines piloted themselves over more than 200 kilometers of rugged desert terrain.

    By Peter Weiss
  2. Health & Medicine

    Vaccine Clears Major Hurdle: Injections offer new tool against cervical cancers

    An experimental vaccine against the virus that causes most cancers of the cervix has passed a test typically needed for regulatory approval.

    By Nathan Seppa
  3. Paleontology

    Raptor Line: Fossil finds push back dinosaur ancestry

    Fossils of a newly discovered raptor dinosaur species suggest that the reptile's lineage is older and more widespread than previously suspected.

    By Sid Perkins
  4. Materials Science

    Filling in the blanks

    Scientists have added precision to a patterning technique called microcontact printing.