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NASA Approves UVEX Space Telescope for Development

The agency greenlights the ultraviolet survey mission with a planned launch for 2031.

Updated on Oct. 27, 2026 in Space

Isometric editorial illustration of a space telescope with a reflective mirror dish and modular instrumentation, representing an astrophysical survey mission.
NASA has officially authorized the development of the UVEX space telescope, a $590 million mission scheduled for a 2031 launch to survey the ultraviolet sky. AI Illustration. Upload story photo >

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NASA has successfully completed the Key Decision Point C review for the UVEX space telescope, officially committing to a $590 million lifecycle cost. The mission is scheduled to launch by January 2031 to conduct a comprehensive ultraviolet survey of the sky.

Why it matters

The mission aims to provide critical new insights into the processes of galaxy and star evolution by surveying ultraviolet light across the entire sky. This sensitive data will help astronomers better understand the history and development of the cosmos.

The UVEX mission is classified as a Medium-Class Explorer program that utilizes specialized instrumentation to capture ultraviolet light. The project team is utilizing expertise from Caltech, UC Berkeley, the Jet Propulsion Laboratory, Northrop Grumman, and the Space Dynamics Laboratory.

The players

NASA

The United States government agency responsible for the civilian space program and aeronautics research.

Fiona Harrison

The mission principal investigator leading the development and scientific objectives of the UVEX project.

The details

The project passed its rigorous technical and programmatic review known as Key Decision Point C, allowing the mission to move forward into the next phase of implementation. As a Medium-Class Explorer, the telescope is designed to perform a sensitive sky survey that bridges gaps in current astrophysical observation capabilities.

Timeline

  1. The mission was selected for development in 2024.

  2. The project successfully completed the Key Decision Point C review on October 27, 2026.

  3. NASA expects the UVEX space telescope to launch by January 2031.

The Big Picture

The UVEX mission follows the established precedent of NASA's Explorer Program in utilizing targeted, medium-class missions to address specific astrophysical questions. This development marks a shift toward specialized sky surveys that extend the scientific legacy of previous space-based observatories.

The ultraviolet data collected by the UVEX telescope will provide scientists with a clearer map of star and galaxy formation. Over the coming years, this research is expected to refine existing models of cosmic evolution that inform our understanding of the universe.

The takeaway

The successful project review marks a significant milestone in the long-term planning of a major NASA astrophysical mission. Readers can track the upcoming development phases as the agency prepares for the eventual launch in 2031.

Further reading

For more information on ongoing astronomical missions, visit the Space section.

Live Poll

Should the U.S. continue to fund major space exploration projects like the UVEX telescope?