Space

  1. Space

    Sun Beating

    When our sun was very young, a huge, exploding star roughed it up.

    By
  2. Space

    A great ball of fire

    Astronomers are marveling at what may be the hugest, most spectacular star explosion ever recorded.

    By
  3. Planets

    Two Suns in the Sky

    Some planets may orbit double stars, which means that the planets might have double sunrises and double sunsets.

    By
  4. Planets

    Liquid Mercury

    Our solar system's innermost planet has a molten core.

    By
  5. Planets

    An Earthlike Planet

    Astronomers have discovered an Earthlike planet that could have liquid water, and perhaps life, on its surface.

    By
  6. Planets

    The Wind in the Worlds

    On other planets, the weather can be frightful.

    By
  7. Planets

    Martian Caves

    New images taken by a spacecraft orbiting Mars show what appear to be entrances to caves.

    By
  8. Space

    Unearthing Ancient Astronomy

    Researchers discover that ancient Peruvians were tracking the skies 4,000 years ago.

    By
  9. Planets

    A Darker, Warmer Red Planet

    Mars, like Earth, may be experiencing climate change.

    By
  10. Space

    Galactic Growth Spurts

    A newly discovered galaxy that grew in fits and starts is like no other galaxy known.

    By
  11. Space

    A family in space

    Astronomers have discovered a "family" of related objects in a distant region of the solar system.

    By
  12. Space

    Tracking Solar Storms

    Electrical storms on the sun can send charged particles all the way to Earth.

    By