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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.

Latest Explorers Program News

NASA's NICER Mission Finds an X-ray Pulsar in a Record-fast Orbit NASA's Rossi X-ray Timing Explorer Leaves Scientific 'Treasure Trove' Are Planets Like Those in 'Star Wars: Rogue One' Really Out There? NASA Plans to Find Out NASA's Rossi X-ray Timing Explorer Spacecraft to Re-enter Over Tropics NASA Frequently Asked Questions: RXTE Spacecraft Re-entry

Click on images to read features.       >> For news archive

Featured Explorers Movie

>> Feature related to movie

Explorers Missions Status

    Launch Date: December 2021
    Phase B: Design & Technology Completion
  • ICON
    Launch Date: TBD
    Phase D: System Assembly, Integration & Test, Launch
  • IXPE
    Launch Date: May 2021
    Phase B: Design & Technology Completion
  • TESS
    Launch Date: April 18, 2018
    Phase D: System Assembly, Integration & Test, Launch
  • XARM
    Launch Date: January 2022
    Phase C: Final Design & Fabrication
  • For all Explorers Missions

Related Links

Explorers Organization

Explorers Organization Chart


ICON (Development)
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NuSTAR (Operating)
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TESS (Operating)
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WISE (Past)
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