News

  1. Genetics

    Guidelines call for limits to whole genome testing for fetuses

    Powerful tests offer unprecedented detail about fetal genomes. But whole-genome tests aren’t ready for widespread use yet, doctors caution.

    By Laura Sanders
  2. Paleontology

    Oldest known lizard fossil pushes group’s origins back 75 million years

    CT scan reveals hidden identity of an unusual lizard fossil found years ago in the Italian Alps.

    By Susan Milius
  3. Astronomy

    Astronomers scrutinized last year’s eclipse. Here’s what they’ve learned

    Astronomers observed the 2017 total solar eclipse from the ground and the air, and found some never-before-seen features of the sun’s atmosphere.

    By Lisa Grossman
  4. Health & Medicine

    Here’s what we know about the deadly Nipah virus

    The deadly and rare Nipah virus has killed at least 11 people in southern India, causing concern among epidemiologists.