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Welcome to the Universe

Discover the universe: Learn about the history of the cosmos, what it's made of, and so much more.

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Worlds beyond our solar system.

Giant balls of hot gas that burn for millions to billions of years. 

Concentrations of matter with gravity so powerful not even light can escape.

Collections of stars, planets, and vast clouds of gas and dust bound together by gravity.

NASA Completes Roman Telescope Construction

NASA’s next big eye on the cosmos is now fully assembled. On Nov. 25, technicians joined the inner and outer portions of the Nancy Grace Roman Space Telescope in the largest clean room at the Agency’s Goddard Space Flight Center in Greenbelt, Maryland.

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The complete observatory in a clean room

NASA’s Fermi Spots Young Star Cluster Blowing Gamma-Ray Bubbles

For the first time, astronomers using NASA’s Fermi Gamma-ray Space Telescope have traced a budding outflow of gas from a cluster of young stars in our galaxy — insights that help us understand how the universe has evolved.

Learn More about NASA’s Fermi Spots Young Star Cluster Blowing Gamma-Ray Bubbles
A cluster of multicolored stars
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