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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
A movie made from over two decades of data from NASA’s Chandra X-ray Observatory shows a star system changing with time.
Chandra Rewinds Story of Great Eruption of the 1840s
This image taken shows Arp 107, a celestial object that includes a pair of galaxies in the midst of a collision.
Hubble Peers at Peculiar Galactic Pair
Astronomers have produced a glimpse of the sky as it would appear in gravitational waves, cosmic ripples in space-time generated by orbiting objects.
NASA Team Simulates a Glimpse of Our Galaxy in Gravitational Waves
NGC 3156 is a lenticular galaxy, with two visible threads of dark reddish-brown dust crossing the galaxy’s disk.
Hubble Spots a Dreamy Galaxy
This image of HH 211 from NASA’s James Webb Space Telescope reveals an outflow from a Class 0 protostar.
NASA's Webb Snaps Supersonic Outflow of Young Star
A new collection of stunning images highlights data from NASA’s Chandra X-ray Observatory and other telescopes.
A Fab Five: New Images with NASA's Chandra X-ray Observatory
Called the Wide Field Instrument, this tool will enable astronomers to explore the cosmos
Primary Instrument for NASA's Roman Completed, Begins Tests
While K2-18 b lies in the habitable zone this does not necessarily mean that the planet can support life.
Webb Discovers Methane, Carbon Dioxide in Atmosphere of K2-18 b
The swirls of the galaxy IC 1776 stand in splendid isolation in this image from the NASA/ESA Hubble Space Telescope.
Hubble Images a Swirling Supernova Site
When a star strays too close to a black hole, gravitational forces create tides that break the star apart into a stream of gas.
NASA's Swift Learns a New Trick, Spots a Snacking Black Hole
The Aero Club of Southern California has awarded the Howard Hughes Memorial Award to NASA's James Webb Space Telescope.
NASA's Webb Wins Howard Hughes Memorial Award
This huge ball of stars – around 100 billion in total – is an elliptical galaxy located some 55 million light-years away.
Hubble Views a Sphere of Stars
