Irregular Galaxies

Artificial Intelligence (AI)
Astrophysics
Astrophysics Division
Galaxies
Goddard Space Flight Center
Gravitational Lensing
Hubble Space Telescope
Irregular Galaxies
Origin & Evolution of the Universe
The Universe

AI Unlocks Hundreds of Cosmic Anomalies in Hubble Archive

A team of astronomers has employed a cutting-edge, artificial intelligence-assisted technique to uncover rare astronomical phenomena within archived data from NASA’s Hubble Space Telescope. The team analyzed nearly 100 million image cutouts from the Hubble Legacy Archive, each measuring just a few dozen pixels (7 to 8 arcseconds) on a side.
Posted January 27, 2026
Astrophysics
Galaxies
Irregular Galaxies
James Webb Space Telescope (JWST)
Origin & Evolution of the Universe
Science & Research
The Universe

NASA Webb Finds Early-Universe Analog’s Unexpected Talent for Making Dust

Using NASA’s James Webb Space Telescope, astronomers have spotted two rare kinds of dust in the dwarf galaxy Sextans A, one of the most chemically primitive galaxies near the Milky Way. The finding of metallic iron dust and silicon carbide (SiC) produced by aging stars, along with tiny clumps of carbon-based molecules, shows that even […]
Posted January 6, 2026
Astrophysics
Astrophysics Division
Galaxies
Goddard Space Flight Center
Hubble Space Telescope
Irregular Galaxies
The Universe

Hubble Studies Small but Mighty Galaxy

This portrait from the NASA/ESA Hubble Space Telescope puts the nearby galaxy NGC 4449 in the spotlight. The galaxy is situated just 12.5 million light-years away in the constellation Canes Venatici (the Hunting Dogs). It is a member of the M94 galaxy group, which is near the Local Group of galaxies that the Milky Way […]
Posted June 20, 2025
Astrophysics
Astrophysics Division
Galaxies
Hubble Space Telescope
Irregular Galaxies
Spiral Galaxies
The Milky Way

NASA’s Hubble Sees Aftermath of Galaxy’s Scrape with Milky Way

A story of survival is unfolding at the outer reaches of our galaxy, and NASA’s Hubble Space Telescope is witnessing the saga. The Large Magellanic Cloud, also called the LMC, is one of the Milky Way galaxy’s nearest neighbors. This dwarf galaxy looms large on the southern nighttime sky at 20 times the apparent diameter […]
Posted November 14, 2024
Astrophysics
Astrophysics Division
Galaxies
Goddard Space Flight Center
Hubble Space Telescope
Irregular Galaxies
Missions
The Universe

Hubble Studies a Potential Galactic Merger

This NASA/ESA Hubble Space Telescope image features the dwarf irregular galaxy NGC 5238, located 14.5 million light-years from Earth in the constellation Canes Venatici. Its unexciting, blob-like appearance seems to resemble an oversized star cluster more than a classic image of a galaxy.
Posted July 19, 2024
Astrophysics
Galaxies
Goddard Space Flight Center
Hubble Space Telescope
Irregular Galaxies
Missions
The Universe

Hubble Spots the Spider Galaxy

This image from the NASA/ESA Hubble Space Telescope shows the gauzy-looking celestial body UGC 5829, an irregular galaxy that lies about 30 million light-years away. Despite the lack of observations of this relatively faint galaxy, UGC 5829 has a distinct and descriptive name: the Spider Galaxy.
Posted March 22, 2024
Astrophysics
Astrophysics Division
Galaxies
Goddard Space Flight Center
Hubble Space Telescope
Irregular Galaxies
Missions
The Universe

Hubble Spots a Galaxy Shrouded by Stars

This NASA/ESA Hubble Space Telescope image shows a densely packed field of stars laid upon a background of dust, gas, and light from more distant celestial objects. There are so many stars in this image’s field of view that it may be a little tricky to discern that you are in fact looking at a […]
Posted February 9, 2024
Galaxies
Goddard Space Flight Center
Hubble Space Telescope
Irregular Galaxies
Missions
The Universe

NASA’s Hubble Presents a Holiday Globe of Stars

The billion stars in galaxy UGC 8091 resemble a sparkling snow globe in this festive Hubble Space Telescope image from NASA and ESA (European Space Agency). The dwarf galaxy is approximately 7 million light-years from Earth in the constellation Virgo. It is considered an “irregular galaxy” because it does not have an orderly spiral or […]
Posted December 20, 2023
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6
Enceladus
4
Underway Recovery Test 11
1
Neptune-Like Exoplanets
8
Perseverance (Rover)
34
Venus
10
Gemini IV
1
Ice Giants
1
Alan L. Bean
1
Planetary Geosciences & Geophysics
7
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51
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8
Visible / Optical Light
1
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2
Apollo
12
PREFIRE (Polar Radiant Energy in the Far-InfraRed Experiment)
8
Byron K. Lichtenberg
1
Sea Level Rise
3
Irregular Galaxies
8
Lunar Surface Innovation Consortium
7
Cold Atom Laboratory (CAL)
4
STS-128
1
Earth Science Technology Office
9
The Sun & Solar Physics
3
NASA Home & City
1
Orion Program
21
Franklin R. Chang-Díaz
1
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5
Helix Nebula
1
Advanced Capabilities for Emergency Response Operations
1
Astronomy
2
Richard A. Mastracchio
1
Sounding Rockets
20
Kjell N. Lindgren
3
Marshall Astrophysics
37
Dark Matter & Dark Energy
9
Sustainability
1
Everyday Extraordinary Stories
1
Night Sky Network
34
Technology Demonstration Missions Program
12
Mini-RF Instrument
1
Office of International and Interagency Relations (OIIR)
38
Explore
5
Water on Earth
27
Grades 5 - 8
10
Apophis
2
Pulsars
11
Cassini
10
Skylab
6
Joe H. Engle
1
Magnetospheric Multiscale (MMS)
2
Communicating and Navigating with Missions
26
STS-66
1
Ecostress (ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station)
3
Transformational Tools Technologies
9
Native American Heritage Month
7
Partner with NASA STEM
8
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2
Human Landing System Program
24
Aerospace Safety Advisory Panel
1
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1
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1
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7
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68
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1
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4
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23
Christina H. Koch
16
Stennis Space Center
107
Dust Storms
3
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19
Nancy Grace Roman Space Telescope
62
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18
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21
William C. McCool
1
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17
Artemis Accords
33
Raja Chari
3
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6
JPSS-4
1
Mars Campaign Development Division
1
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4
SunRISE (Sun Radio Interferometer Space Experiment)
3
Environmental Management Division (EMD)
6
University Innovation
10
Neutral Buoyancy Lab
3
Phobos
3
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3
Gemini IX
1
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1
Ames Research Center
198
Planetary Nebulae
8
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202
Science & Research
221
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1
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2
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1
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1
Private Astronaut Missions
3
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1
Seasat
1
ISS Research
274
Lunar Surface Innovation Initiative
8
Comet 3IAtlas
1
STS-129
2
Earth Surface & Interior
3
The Universe
316
NASA Innovative Advanced Concepts (NIAC) Program
26
OSAM-1 (On-Orbit Servicing, Assembly, and Manufacturing 1)
1
Fruit Fly Lab (FFL)
1
Zena Cardman
1
HERA (Human Exploration Research Analog)
7
Advanced Plant Habitat (APH)
3
Astrophysics
324
Richard H. Truly
1
Sounding Rockets Program
15
Land Cover
3
Marshall Earth Sciences
29
Space Operations Mission Directorate
50
DART (Double Asteroid Redirection Test)
8
Sustainability at Kennedy Space Center
10
ExoMars
3
Meetings, Workshops & Conferences
1
NISAR (NASA-ISRO Synthetic Aperture Radar)
12
Didymos & Dimorphos
1
Technology for Living in Space
4
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1
Office of Small Business Programs (OSBP)
11
Extreme Temperatures
3
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1
Grades 5 - 8 for Educators
12
Applied Sciences Program
4
Quasars
6
Cell and Molecular Biology
2
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61
John B. Herrington
1
MAIA (Multi-Angle Imager for Aerosols)
1
Community Partners
3
STS-68
1
Edward G. Gibson
1
Transformative Aeronautics Concepts Program
18
Natural Disasters
24
Partner With Us
5
Game Changing Development Program
32
Human Research Program
24
AIM (Aeronomy of Ice in the Mesosphere)
1
Barry E. Wilmore
2
Rosetta
1
Learning Resources
132
Spirit (Rover)
4
Integrated Aviation Systems Program
16
Low Earth Orbit Economy
22
CIPHER (Complement of Integrated Protocols for Human Exploration Research)
1
Stennis Test Facility and Support Infrastructure
3
Dwarf Planets
1
The Big Bang
4
NASA Aircraft
20
Opportunities For International Participants to Get Involved
12
Floods
6
William R. Pogue
1
Greenhouse Gases
9
2017 Solar Eclipse
3
Artemis Campaign Development Division
2
Ranger 7
2
Sojourner (Rover)
1
JUICE (Jupiter Icy Moons Explorer)
1
Mars Exploration Program
6
Crew Health and Performance Exploration Analog (CHAPEA)
9
Sunspots
4
EPSCoR
3
University Leadership Initiative
5
Neutron Stars
25
Photojournal
8
Vertical Motion Simulator
1
Gemini VI
1
ICESat-2 (Ice, Cloud and land Elevation Satellite-2)
3
Ames Research Center's Science Directorate
32
Planetary Science
86
Blue Ghost (lander)
4
Science Activation
57
Expedition 69
3
Volcanoes
5
Goddard Institute for Space Studies
17
Apollo 10
3
Prizes, Challenges & Crowdsourcing
6
C-20A
3
SeaWiFS (Sea-viewing Wide Field-of-view Sensor)
1
IXPE (Imaging X-ray Polarimetry Explorer)
15
Lunar Surface Technology Research
1
Comets
11
STS-34
1
Earth System Observatory (ESO)
5
THEMIS-ARTEMIS (Time History of Events and Macroscale Interactions During Substorms - Acceleration, Reconnection, Turbulence and Electrodynamics of Moon's Interaction with the Sun)
1
NASA Open Source Software
1
OSIRIS-APEX (Origins, Spectral Interpretation, Resource Identification, and Security – Apophis Explorer)
3
Fundamental Physics
1
Herschel Space Observatory
1
Advanced Space Suits
2
Astrophysics Division
153
Rings of Jupiter
1
Sounds & Ringtones
1
Land Use
1
Marshall Heliophysics & Planetary Science
8
Space Shuttle
18
David R. Scott
2
Sustainable Aviation
2
ExoMoons
1
Mesosphere
3
NOAA (National Oceanic and Atmospheric Administration)
20
Spitzer Space Telescope
10
Digital Information Platform
9
Technology for Space Travel
15
Mission Equity
4
Office of Technology, Policy and Strategy (OTPS)
21
Extreme Weather Events
9
WB-57
1
Grades 9 - 12
9
Aqua
1
Quesst (X-59)
33
Centennial Challenges
12
Skywatching Tips
31
John W. Young
5
Manufacturing, Materials, 3-D Printing
1
Compton Gamma Ray Observatory (CGRO)
1
STS-80
1
Eileen M. Collins
2
TREAT Astronauts Act
1
NEA Scout (Near Earth Asteroid Scout)
1
Pathfinding for Airspace with Autonomous Vehicles
1
Gamma Rays
8
Human Space Travel Research
1
Air Mobility Pathfinders project
5
Becoming an Astronaut
5
RS-25
2
Leland D. Melvin
1

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