The universe is constantly being created—and destroyed. Discover how these processes work, and how they may hold clues to how the universe began.

More About the Universe

  • <p>Photo: Black-and-white view of the Small Magellanic Cloud</p>

    Origins of the Universe

    Details of the big bang are obscured by billions of years of cosmic history. But high-tech orbiting telescopes are lifting the veil on our universe's formative years.

  • <p>Photo: The Cygnus Loop Supernova</p>


    Supernovae occur when large stars collapse, ejecting plumes of gas, dust, and energy. Scientists study the remnants of these blasts for clues about the life and death of stars.

  • <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.

  • <p>Photo: A pair of glowing, merging galaxies</p>

    Photo Gallery: Galaxies

    Space-based telescopes have revealed the complex and beautiful details of thousands of our universe's far-flung galaxies.

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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