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NASA Selects Far-Infrared Telescope for New Probe Mission Class

Free News Reader  ·  September 24, 2026

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NASA Selects Far-Infrared Telescope for New Probe Mission Class

  • NASA has chosen the Probe far-Infrared Mission for Astrophysics (PRIMA) as the first in a new category of astrophysics missions, with a project cost capped at $1.2 billion.

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Targeted for launch in 2033, PRIMA will conduct a five-year mission to explore the universe in far-infrared light.

NASA has announced the selection of the Probe far-Infrared Mission for Astrophysics (PRIMA) as the inaugural mission in its new class of “Probe Explorers.” This initiative, part of NASA’s long-standing Explorers Program, aims to bridge the gap between large-scale flagship missions and smaller spacecraft.

PRIMA is designed to observe the universe in far-infrared light, a spectrum that allows scientists to study cosmic objects and events hidden from visible light telescopes. The mission’s scientific objectives include investigating the origins of planets outside our solar system, understanding the growth and evolution of galaxies and their supermassive black holes, and tracing the accumulation of dust and heavy elements throughout cosmic history. Nicky Fox, associate administrator for NASA’s Science Mission Directorate, highlighted that PRIMA will be “humanity’s next window into the deep universe,” aiming to understand the formation of planets, stars, black holes, and even the origin of water on Earth.

The mission has now advanced to Phase B, focusing on preliminary design and technology development. Following a confirmation review based on technical, programmatic, and cost performance, PRIMA could proceed to implementation. If confirmed, the project cost for PRIMA is capped at $1.2 billion, which does not include launch and other non-project expenses. The observatory, featuring a 5.9-foot telescope, is targeted for a 2033 launch and is planned for a five-year operational period. The Jet Propulsion Laboratory (JPL) will develop and operate the observatory, with Caltech’s IPAC serving as the mission science center.