News

  1. Health & Medicine

    Surplus chromosomes may fuel tumor growth in some cancers

    Extra copies of some genes on excess chromosomes may keep cancer cells growing. Without those extras, cancer cells form fewer tumors in mice.

    By
  2. Space

    NASA’s OSIRIS-REx must avoid ‘Mount Doom’ to return a sample of the asteroid Bennu

    The OSIRIS-REx spacecraft finally has a target spot for sample collection, called Nightingale, on the asteroid Bennu.

    By
  3. Animals

    Why some whales are giants and others are just big

    Being big helps whales access more food. But how big a whale can get is influenced by whether it hunts for individual prey or filter-feeds.