National Aeronautics and Space Administration

The Explorers Program

The mission of the Explorers Program is to provide frequent flight opportunities for world-class scientific investigations from space utilizing innovative, streamlined and efficient management approaches within the heliophysics and astrophysics science areas.

The program seeks to enhance public awareness of, and appreciation for, space science and to incorporate educational and public outreach activities as integral parts of space science investigations.

NASA In the News

Explorers Organization

👁 Explorers Organization Chart

👁 Explorers Organization Chart

Explorers Missions Status

• CASE
  Launch Date: 2029
  Phase C: Final Design & Fabrication
  
• COSI
  Launch Date: 2027
  Phase C: Final Design & Fabrication
  
• EUVST
  Launch Date: 2028
  Phase B: Design & Technology Completion
  
• EZIE
  Launched: March 14, 2025
  Phase D: System Assembly, Integration & Test, Launch
  
• HelioSwarm
  Launch Date: 2029
  Phase B: Design & Technology Completion
  
• LISA
  Launch Date: NET 2035
  Phase Pre-A: Concept Studies
  
• MUSE
  Launch Date: 2027
  Phase C: Final Design & Fabrication
  
• PUNCH
  Launched: March 11, 2025
  Phase D: System Assembly, Integration & Test, Launch
  
• SPHEREx
  Launched: March 11, 2025
  Phase D: System Assembly, Integration & Test, Launch
  
• SunRISE
  Launch Date: December 2025
  Phase D: System Assembly, Integration & Test, Launch
  
• TRACERS
  Launch Date: July 2025
  Phase D: System Assembly, Integration & Test, Launch
  
• UVEX
  Launch Date: 2030
  Phase B: Design & Technology Completion
  
• For all Explorers Missions

Related Links

• NASA Science Heliophysics
• NASA Science Astrophysics
• Cosmic Origins Program (COR)
• Exoplanet Exploration Program (ExEP)
• Physics of the Cosmos Program (PCOS)
• Explorers and Heliophysics Projects Division (EHPD)
• Living With a Star (LWS)
• Solar Terrestrial Probes (STP)
• NASA Science Plan