Interacting Galaxies | Simple Site

Active Galaxies

Chandra X-Ray Observatory

Elliptical Galaxies

Galaxies, Stars, & Black Holes Research

Interacting Galaxies

Irregular Galaxies

Marshall Astrophysics

Marshall Space Flight Center

Spiral Galaxies

Galactic Gems Glisten in New Gallery From NASA’s Chandra

Galaxies are like cosmic gems, each with characteristics including size and shape that make them distinct. A new gallery released today from NASA’s Chandra X-ray Observatory and other telescopes displays a collection of galactic images that showcase this variety.

Posted August 25, 2026

Elliptical Galaxies

Goddard Space Flight Center

Interacting Galaxies

James Webb Space Telescope (JWST)

Science & Research

NASA Webb Uncovers Unusual Galaxy Shaped by Cosmic Collision

In new images from NASA’s James Webb Space Telescope to celebrate its fourth science anniversary, a familiar galaxy transforms into something far richer, and far more complex, than ever seen before.

Posted July 6, 2026

Andromeda Galaxy

Astrophysics Division

Goddard Space Flight Center

Hubble Space Telescope

Interacting Galaxies

Apocalypse When? Hubble Casts Doubt on Certainty of Galactic Collision

As far back as 1912, astronomers realized that the Andromeda galaxy — then thought to be only a nebula — was headed our way. A century later, astronomers using NASA’s Hubble Space Telescope were able to measure the sideways motion of Andromeda and found it was so negligible that an eventual head-on collision with the […]

Posted June 2, 2025

Astrophysics Division

Elliptical Galaxies

Goddard Space Flight Center

Hubble Space Telescope

Interacting Galaxies

Spiral Galaxies

Hubble Jams With A Cosmic Guitar

Arp 105 is a dazzling ongoing merger between an elliptical galaxy and a spiral galaxy drawn together by gravity, characterized by a long, drawn out tidal tail of stars and gas more than 362,000 light-years long. The immense tail, which extends beyond this image from NASA’s Hubble Space Telescope, was pulled from the two galaxies […]

Posted March 8, 2025

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3

Small Satellite Missions

27

Developmental, Reproductive and Evolutionary Biology

1

STS-41D

1

Mars Sample Return (MSR)

13

NEO Surveyor (Near-Earth Object Surveyor Space Telescope)

10

7

Tracking and Data Relay Satellite (TDRS)

2

Goddard Medical and Environmental Division

1

3

AeroSpace Frontiers

59

Atmospheric Waves Experiment (AWE)

3

54

Fermi Gamma-Ray Space Telescope

16

Ultraviolet Light

1

16

Alan B. Shepard Jr.

1

1

Planetary Nebulae

13

15

Jeanette J. Epps

4

Lunar Surface Innovation Consortium

7

Craters

3

Star-forming Nebulae

16

EMIT (Earth Surface Mineral Dust Source Investigation)

7

NASA Engineering and Safety Center

49

Terrestrial Planets

1

Gamma-Ray Bursts

13

Water & Energy Cycle

5

2023 Solar Eclipse

9

Artemis 2

202

Outer Planets & Ocean Worlds Program

1

Raja Chari

3

41

Landsat 4

1

Citizen Science

107

6

4

STS-9

2

Matthew Dominick

5

4

Commercial Crew

105

Space Communications & Navigation Program

48

Earth Science Technology Office

11

Sunspots

4

Michoud Assembly Facility

35

Ocean Circulation

1

13

Vegetation

7

Gulfstream G-III

1

1

11

Private Astronaut Missions

5

Joint Agency Satellite Division

4

Seyfert Galaxies

4

DART (Double Asteroid Redirection Test)

9

Strategic Integration and Management Division

1

Mars 2020

35

NASA+

6

Exoplanet Discoveries

16

The Sun & Solar Physics

6

General

657

Wildland Fire Management

5

Advanced Space Suits

2

Astrogram

8

Pathfinding for Airspace with Autonomous Vehicles

1

Research Opportunities in Space and Earth Sciences (ROSES)

5

Infrared Space Observatory (ISO)

1

Leadership

13

Audio

6

Physical Sciences

8

Robotics

18

IRIS (Interface Region Imaging Spectrograph)

1

Low Boom Flight Demonstrator

27

1

34

Ecostress (ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station)

3

Sustainable Aviation

3

MOSAICS

1

Office of the Chief Information Officer (OCIO)

4

Technology Demonstration Missions Program

14

G. Reid Wiseman

25

Virtual Guest Program

11

HERA (Human Exploration Research Analog)

7

Apollo 8

3

Opportunities For U.S. Citizens to Get Involved

5

6

Quasars

6

Human Lander Challenge

2

Kathryn C. Thornton

1

Center of Excellence for Collaborative Innovation (CoECI)

53

Small Spacecraft Technology Program

20

Didymos & Dimorphos

2

STS-51A

1

Mars Science Laboratory (MSL)

27

NEOWISE

8

5

Tracy Caldwell Dyson

8

Goddard Space Flight Center

712

xEVA & Human Surface Mobility

10

Aerospace Safety Advisory Panel

2

Find Your Place

11

75

Grades 9-12 for Educators

14

1

9

Planetary Science

103

SBIR

1

Jessica U. Meir

3

Lunar Surface Innovation Initiative

11

Scientific Balloons

17

Crew Health and Performance Exploration Analog (CHAPEA)

10

Starburst

1

Employee Spotlights

1

Magnetospheric Multiscale (MMS)

2

NASA Headquarters

138

Eugene A. Cernan

1

TESS (Transiting Exoplanet Survey Satellite)

22

Ganymede

1

8

2024 Solar Eclipse

46

Artemis 3

46

Outside the Classroom

10

Ranger 7

2

31

Landsat 5

2

55

2

2

STS-93

1

MAVEN (Mars Atmosphere and Volatile EvolutioN)

18

Nicole Aunapu Mann

3

Commercial Lunar Payload Services (CLPS)

95

Space Communications Technology

21

Earth Surface & Interior

6

Suomi NPP (Suomi National Polar-orbiting Partnership)

6

3

2

For Kids and Students

32

Venus

13

GUSTO (Galactic/Extragalactic ULDB Spectroscopic Terahertz Observatory)

3

Anne C. McClain

4

Bruce McCandless

2

Prizes, Challenges & Crowdsourcing

6

Joint Polar Satellite System (JPSS)

1

Shuttle Radar Topography Mission (SRTM)

2

2

STS-1

1

Mars Campaign Development Division

2

National Advisory Committee for Aeronautics (NACA)

6

Exoplanet Exploration Program

4

370

Geospace Dynamics Constellation (GDC)

1

Wildlife

3

Aeromechanics Research Facilities

1

14

People of Armstrong

5

Revolutionary Vertical Lift Technology

3

Ingenuity (Helicopter)

8

Learning Resources

151

Aura

2

Physical Sciences Program

4

Ronald E. McNair

1

Irregular Galaxies

10

Low Earth Orbit Economy

22

Convergent Aeronautics Solutions

3

Spacesuits

8

Edward G. Gibson

1

Sustainable Flight Demonstrator

6

MUREP

10

Office of the Chief Scientist (OCS)

1

Technology for Living in Space

6

Gaia

1

Visible / Optical Light

1

Herschel Space Observatory

1

Apollo 9

2

Opportunities to Contribute to NASA Missions & Get Involved

32

Careers

11

40

Human Landing System Program

32

Kennedy Space Center

280

Ceres

2

SmallSats Program

5

Digital Information Platform

9

STS-51C

1

Marshall Astrophysics

48

Neptune

3

4

Transformational Tools Technologies

12

Goddard Technology

15

XMM-Newton (X-ray Multi-Mirror Newton)

3

AIM (Aeronomy of Ice in the Mesosphere)

1

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