News

  1. Astronomy

    Fast-moving star is a really big loser

    The cosmic bullies that sent 30 Doradus 016 reeling must be even bigger, possibly upping the theoretical maximum heft of today’s stars.

    By Ron Cowen
  2. Space

    Asteroid-bound: Scientists look for worthy rock

    Scientists consider how to pick a prime asteroid for human exploration

    By Laura Sanders
  3. Life

    One ocean, four (or more) killer whale species

    A new genetic analysis splits killer whales into multiple taxa.

    By Tina Hesman Saey
  4. Health & Medicine

    Taste of power goes to the head, then muscles

    Just a swish of the carbohydrates in an energy drink can increase muscle performance, a study suggests.