More About Space

  • Auroras seen in ultraviolet on Jupiter.

    Auroras to Aid Planet Hunt?

    Radio signals from alien auroras may help expand the search for new planets outside the solar system, astronomers suggest.

  • <p>Photo: Loop on the sun</p>


    It may be just a star, but the sun is the center of our world. It holds the solar system together; pours life-giving light, heat, and energy on Earth; and generates space weather.

  • <p>Image: Earth with stars</p>

    Origins of the Universe

    The most popular theory of our universe's origin centers on a cosmic cataclysm unmatched in all of history—the big bang.

  • <p>Photo: Eyeball-shaped Helix Nebula</p>


    Humans have studied nebulae for centuries. But space-based and infrared telescopes that can cut through the dust are casting these cosmic cloud formations in a whole new light.

Explore space, with its mysterious galaxies and black holes, and learn more about where we have been and where we're going in this final frontier.

See More Space Features

  • 01yearinspace2015.jpg

    Best Space Pictures

    Of the hundreds of awe-inspiring space photos we liked in 2015, here are our picks for the 15 best of the year.

  • Picture of Harrison Schmitt on the moon with the American flag

    Vintage Space Photos

    These rare images capture the golden age of space exploration.

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