News

  1. Genetics

    An extinct rat shows CRISPR’s limits for resurrecting species

    Scientists recovered most of the Christmas Island rat’s genome. But the missing genes signal a problem for using gene editing to de-extinct species.

    By Anna Gibbs
  2. Animals

    Culturally prized mountain goats may be vanishing from Indigenous land in Canada

    As fewer mountain goats are spotted along British Columbia’s central coast, First Nations people team up with biologists to assess the population.

    By Lesley Evans Ogden
  3. Paleontology

    Scientists are arguing over the identity of a fossilized 10-armed creature

    An ancient cephalopod fossil may be the oldest ancestor of octopuses, but the interpretation hinges on the identification of one feature.