Uncategorized

  1. Planetary Science

    The Mars rover Opportunity is sleeping, not dead, NASA says

    Opportunity is hunkered down in a deep sleep on Mars to ride out what’s looking to be a long dark dust storm.

    By Lisa Grossman
  2. Humans

    What I actually learned about my family after trying 5 DNA ancestry tests

    Ancestry results vary widely depending on which company you use.

    By Tina Hesman Saey
  3. Genetics

    DNA testing can bring families together, but gives mixed answers on ethnicity

    DNA testing has become a new way for millions of Americans to expand their family trees and learn something about themselves, but results vary widely.

    By Tina Hesman Saey
  4. Animals

    Here’s what narwhals sound like underwater

    Scientists eavesdropped while narwhals clicked and buzzed.