News

  1. Life

    Cats engineered for disease resistance

    Genetically modified felines created in an effort to fight feline immunodeficiency virus.

    By
  2. Life

    Thirsty frogs make do with dew

    An Australian species exploits condensation to get a drink by chilling down outside and then hopping into its warm, humid lair.

    By
  3. Space

    Super-Earths may come in two flavors

    As more exoplanets are discovered, evidence emerges that worlds can be either fluffy or dense.

    By
  4. Humans

    Fossil finds offer close look at a contested ancestor

    Nearly 2 million-year-old fossils offer glimpses of a species that may, or may not, have been crucial for human evolution.