Space Nuclear Propulsion (SNP) | Simple Site

Space Nuclear Propulsion (SNP)

Marshall Space Flight Center

Space Technology Mission Directorate

Technology Demonstration Missions Program

NASA Testing Advances Space Nuclear Propulsion Capabilities

Nuclear propulsion and power technologies could unlock new frontiers in missions to the Moon, Mars, and beyond. NASA has reached an important milestone advancing nuclear propulsion that could benefit future deep space missions by completing a cold-flow test campaign of the first flight reactor engineering development unit since the 1960s.

Posted January 28, 2026

Langley Research Center

General

NASA Centers & Facilities

Space Nuclear Propulsion (SNP)

Space Technology Mission Directorate

Nuclear Electric Propulsion Technology Could Make Missions to Mars Faster

The trip to Mars and back is not one for the faint of heart. We’re not talking days, weeks, or months. But there are technologies that could help transport a crew on that round-trip journey in a relatively quick two years. One option NASA is exploring is nuclear electric propulsion, which employs a nuclear reactor […]

Posted January 10, 2025

Space Nuclear Propulsion (SNP)

Marshall Space Flight Center

Technology Demonstration Missions Program

NASA Marshall Engineer Receives AIAA Honors Award

By Daniel Boyette Advanced space nuclear propulsion systems are critical to NASA’s Moon to Mars vision. On May 15, one of the individuals at the forefront of those future exploration efforts was honored for his contributions.

Posted June 6, 2024

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Office of the Chief Health and Medical Officer (OCHMO)

3

Featured Careers

4

What We Do

9

6

Aeronautics Research

9

Atmospheric Composition

1

Quesst: The Mission

3

Small Business Innovation Research / Small Business

9

Johnson Leadership

2

Mariner 3

1

1

Red Giants

1

Solar Electric Propulsion (SEP)

1

23

Mars Moons

5

CubeSat Launch Initiative

15

Supermassive Black Holes

20

Euclid

6

3

8

Pioneer

1

3

Geospace Dynamics Constellation (GDC)

1

IMAP (Interstellar Mapping and Acceleration Probe)

7

Artemis

287

4

Center of Excellence for Collaborative Innovation (CoECI)

39

Science Instruments

6

International Space Station Division

7

Lunar Crater Observation and Sensing Satellite (LCROSS)

1

Climate Modeling

2

Strategic Integration and Management Division

1

Early Stage Innovations (ESI)

3

The Human Body in Space

2

NASA Directorates

37

Opportunities For U.S. Citizens to Get Involved

5

For Kids and Students

28

27

Hayabusa 2

1

Air Traffic Management - Exploration

18

Outside the Classroom

10

Gaia

1

Hispanic Heritage Month

6

Andrew S.W. Thomas

1

9

Robert D. Cabana

2

Space Communications & Navigation Program

39

Landsat 9

9

Marshall Space Flight Center

307

Space Technology Research Grants

17

DC-8

6

SWOT (Surface Water and Ocean Topography)

15

Exoplanet Discoveries

14

Meteors & Meteorites

1

Nova-C (Lander)

1

7

Voyager Program

6

GOES (Geostationary Operational Environmental Satellite)

13

Active Galaxies

13

Asteroids

39

Prizes, Challenges, and Crowdsourcing Program

37

6

James Webb Space Telescope (JWST)

141

MAF Employee Assistance Program

5

Commercial Resupply

38

STS-51A

1

Earth's Magnetic Field

4

TOPEX / Poseidon (ocean TOPography EXperiment)

1

NASA Socials Program

4

1

STS-93

1

Electromagnetic Spectrum

5

Tsunamis

2

Nebulae

42

People of Johnson

59

Gas Giant Exoplanets

18

Hurricanes & Typhoons

5

Apollo 15

1

5

SAGE III (Stratospheric Aerosol and Gas Experiment)

1

Libera

1

Star-forming Nebulae

15

Diversity at NASA

24

Technology Transfer

45

Modeling

4

Office of the Chief Information Officer (OCIO)

4

Fermi Gamma-Ray Space Telescope

13

3

Grades K - 4 for Educators

12

Aeronautics Research Mission Directorate

90

Atmospheric Waves Experiment (AWE)

2

Quesst: The Science

3

Small Satellite Missions

26

Johnson Space Center

357

Mariner 4

2

Air Traffic Solutions

13

9

Reflection Nebulae

1

5

Katherine Johnson IV and V Facility

3

5

CubeSats

30

Supermoons

1

Eugene A. Cernan

1

23

Viking 1

1

1

Artemis 1

14

Pluto

2

Science Mission Directorate

195

25

Lunar Discovery & Exploration Program

2

Climate Science

7

STS-1

1

Earth

222

The Kuiper Belt

5

NASA en español

46

Opportunities to Contribute to NASA Missions & Get Involved

27

For Professionals

2

Women's History Month

17

125

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