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Glossary
Explore the Universe
Universe
Learn about the history of our universe, what it’s made of, and the forces that shape it.
Galaxies
Discover the galactic menagerie and learn how galaxies evolve and form some of the largest structures in the cosmos.
Black Holes
Explore what we know about black holes, the most mysterious objects in the universe, including their types and anatomy.
Stars
Delve into the life history, types, and arrangements of stars, as well as how they come to host planetary systems.
Universe News
The galaxy JW100 features prominently in this image from the NASA/ESA Hubble Space Telescope.
Hubble Snaps a Galactic Jellyfish
Researchers observing with NASA’s James Webb Space Telescope have pinpointed silicate cloud features in a distant planet’s atmosphere.
NASA's Webb Spots Swirling, Gritty Clouds on Remote Planet
UGCA 307 hangs against an irregular backdrop of distant galaxies in this image from the Hubble Space Telescope.
Hubble Sees a Diminutive Dwarf Galaxy
The Large Area Telescope aboard NASA’s Fermi satellite can give us a glimpse of an otherwise invisible cosmic light show.
NASA's Fermi Captures Dynamic Gamma-Ray Sky in New Animation
The rare sight of a Wolf-Rayet star was one of the first observations made by NASA’s Webb in June 2022.
NASA's Webb Telescope Captures Rarely Seen Prelude to Supernova
The irregular spiral galaxy NGC 5486 hangs against a background of dim, distant galaxies in this Hubble image.
Hubble Spots a Star-Forming Spiral
Scientists created a gargantuan synthetic survey showing what we can expect from the Roman Space Telescope’s future observations.
Millions of Galaxies Emerge in New Simulated Images From NASA's Roman
This image features a galaxy called 3C 297 that is lonelier than expected after it likely pulled in and absorbed its former companion galaxies.
Chandra Helps Astronomers Discover a Surprisingly Lonely Galaxy
A “jellyfish galaxy” with trailing tentacles of stars hangs in inky blackness in this Hubble image.
Hubble Peers at a Galactic Seascape
NASA's Hubble captured photos of asteroid Dimorphos when it was deliberately hit by a spacecraft called DART in September 2022.
Hubble Captures Movie of DART Asteroid Impact Debris
A new simulation shows how NASA’s Roman Space Telescope will unveil the evolving universe in ways that have never been possible before.
How NASA's Roman Space Telescope Will Rewind the Universe
A massive galaxy cluster in the constellation Cetus dominates the center of this Hubble image.
Hubble Observes Cosmic Contortions