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  1. NASA's Hubble Provides Bird's-Eye View of Andromeda Galaxy's Ecosystem

    February 27, 2025Release ID: 2025-009 Missions: Hubble

    A Swarm of Dwarf Galaxies Buzz Around Our Milky Way's Twin

    Telescope image with infographic overlays. At top left the text reads, Hubble Space Telescope, Survey of Andromeda's Satellite galaxies. A large field of galaxies take up the left three-quarters. This portion shows hundreds scattered across the black background of space. Most are tiny white dots. Thirty-six tiny galaxies are circled in yellow. Four have labels. From top to bottom, left to right: NGC 185, NGC 147, NGC 205 (M110), NGC 221 (M32). NGC 221 appears slightly lower than a larger, angled oblong galaxy, which is labeled Andromeda Galaxy (M31). Along the right is a column separated into four boxes, each a zoomed in portrait of the labeled galaxies. From top to bottom: NGC 185 looks like a dim blue haze that takes up most of the frame; NGC 147 like a small, very dim oval, with scattered dots nearby; NGC 221 is large and bright white, and takes up most of the box; NGC 205 is not quite as large as NGC 221, and is pinker, with larger dots throughout the frame.

  2. This Tiny Galaxy Is Answering Some Big Questions

    January 16, 2025Release ID: 2025-401 Missions: STScI

    Researchers used the James Webb Space Telescope to reveal patterns of star formation in an isolated dwarf galaxy.

    A concentration of bright blue stars occupies the bottom right corner of the image. At bottom center within them is a small blue bubble. The stars and bubble are part of a diffuse dwarf galaxy that extends beyond the image border. Background galaxies are scattered across the image, with some particularly prominent spirals located at upper left and upper right. The background of space is black.

  3. NASA's Hubble Traces Dark Matter in Dwarf Galaxy Using Stellar Motions

    July 11, 2024Release ID: 2024-017 Missions: Hubble

    The telescope's longevity is an asset in gaining clarity about the universe's invisible glue.

    At left is the Digitized Sky Survey view of the Draco dwarf galaxy. Many yellow, blue-white, and white stars are dispersed across the black background of space. They vary in shape and size, though most resemble small, circular points of light. Larger stars, some with four diffraction spikes, are scattered infrequently across the field of view. A thin, light brown oval highlights the area of interest, which contains two small white squares in its center. The area of each square is magnified at right, showing views captured by the Hubble Space Telescope. The top right square reveals a black patch of space with many small points of light and a large, four-point diffraction spike toward the left. The bottom right square shows a black patch of space filled with small points of light, some with diffraction spikes.

  4. NASA's Hubble Presents a Holiday Globe of Stars

    December 20, 2023Release ID: 2023-020 Missions: Hubble

    Dwarf Irregular Galaxy Springs to Life with Dazzling Newborn Stars

    A collection of stars and galaxies fill the scene against a dark background. The image is dominated by a dense collection of stars which make up the irregular galaxy UGC 8091. The stars span a variety of colors, including blue and orange, with patches of blue occupying the central part of the galaxy. There are also visible circular regions of red/pink gas within the galaxy.

  5. Peekaboo! A Tiny, Hidden Galaxy Provides a Peek into the Past

    December 06, 2022Release ID: 2022-051 Missions: Hubble

    Tucked away in a local pocket of dark matter, a late-blooming dwarf galaxy looks like it belongs in the early universe.

    A large bright star is centered, with four long rays extending in an X shape. Between the rays on the right is a small blue peanut-shaped galaxy with some bright spots. Smaller similar stars and orange background galaxies fill image.

  6. Hubble Finds a Black Hole Igniting Star Formation in a Dwarf Galaxy

    January 19, 2022Release ID: 2022-002 Missions: Hubble

    Dwarf galaxy Henize 2-10 continues to make a big impact, defying astronomers' expectations

    Small, bright, galaxy with star-forming regions illuminated in magenta.

  7. Hubble Launches Large Ultraviolet-Light Survey of Nearby Stars

    November 05, 2020Release ID: 2020-50 Missions: Hubble

    Hundreds of Stars in the Milky Way and Nearby Galaxies Are Being Surveyed to Build an Invaluable Library of Spectral Templates for Future Research

    ULLYSES targets in the LMC

  8. NASA's Webb to Unveil the Secrets of Nearby Dwarf Galaxies

    November 25, 2019Release ID: 2019-57 Missions: Webb

    Studies will help scientists understand dark matter and galaxy formation

    NASA's Webb to Unveil the Secrets of Nearby Dwarf Galaxies

  9. Hubble Accidentally Discovers a New Galaxy in Cosmic Neighborhood

    January 31, 2019Release ID: 2019-09 Missions: Hubble

    Isolated star-city is a fossil from the early universe.

    Hubble Accidentally Discovers a New Galaxy in Cosmic Neighborhood

  10. Astronomers Release Most Complete Ultraviolet-Light Survey of Nearby Galaxies

    May 17, 2018Release ID: 2018-27 Missions: Hubble

    Hubble samples 50 star-forming spiral and dwarf galaxies

    Astronomers Release Most Complete Ultraviolet-Light Survey of Nearby Galaxies

  11. Hubble Uncovers a Galaxy Pair Coming in from the Wilderness

    August 11, 2016Release ID: 2016-29 Missions: Hubble

    The galaxies in the early universe were much smaller than our Milky Way and churned out stars at a rapid pace. They grew larger through mergers with other dwarf galaxies to eventually build the magnificent spiral and...

    Hubble Uncovers a Galaxy Pair Coming in from the Wilderness

  12. Hubble Reveals Stellar Fireworks in 'Skyrocket' Galaxy

    June 28, 2016Release ID: 2016-23 Missions: Hubble

    As we celebrate the Fourth of July by watching dazzling fireworks shows, another kind of fireworks display is taking place in a small, nearby galaxy.

    A stellar fireworks show is lighting up one end of the diminutiv...

    Hubble Reveals Stellar Fireworks in 'Skyrocket' Galaxy

  13. Hubble Helps Find Smallest Known Galaxy with a Supermassive Black Hole

    September 17, 2014Release ID: 2014-41 Missions: Hubble

    Astronomers have found an unlikely object in an improbable place: a monster black hole lurking inside one of the tiniest galaxies known. The dwarf galaxy containing the black hole is the densest galaxy ever seen, crammin...

    Hubble Helps Find Smallest Known Galaxy with a Supermassive Black Hole

  14. Hubble Unmasks Ghost Galaxies

    July 10, 2012Release ID: 2012-26 Missions: Hubble

    Astronomers have puzzled over why some puny, extremely faint dwarf galaxies spotted in our Milky Way galaxy's back yard contain so few stars. These ghost-like galaxies are thought to be some of the tiniest, oldest, and...

    Hubble Unmasks Ghost Galaxies

  15. Galaxy NGC 4214: A Star-Formation Laboratory

    May 12, 2011Release ID: 2011-14 Missions: Hubble

    The dwarf galaxy NGC 4214 is ablaze with young stars and gas clouds. Located around 10 million light-years away in the constellation of Canes Venatici (The Hunting Dogs), the galaxy's close proximity, combined with the...

    Several gas clouds stretch diagonally across the image, with two large, roughly circular cavities in the gas.

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