19 Active Science Missions Canceled in NASA's FY2026 Budget Request

19 Active Science Missions Canceled in NASA's FY2026 Budget Request

[SEE ITEMS MARKED IN RED]

NASA's Fiscal Year 2026 Budget Request represents an overall 24 percent funding reduction, reports The Washington Post. It is the smallest budget request for NASA since 1961, adjusted for inflation, according to The Planetary Society.

Contact your representatives in the United States Congress, House and Senate, to express your concerns for NASA's future:
https://www.usa.gov/elected-officials/

NASA's Fiscal Year 2026 Budget Request (PDF) Document Download: https://www.nasa.gov/fy-2026-budget-request/ (See Fiscal Year 2026 Budget Request Summary)

List of Active NASA Science Missions Cancelled:

Juno Mission to Jupiter Planetary System (2011-2025)

https://www.nasa.gov/juno

https://www.missionjuno.swri.edu

MAVEN Mission to Mars (2013-2025)

https://science.nasa.gov/mission/maven/

New Horizons Mission - Pluto & Kuiper Belt Object (KBO) Flyby (2006-2025)

https://science.nasa.gov/mission/new-horizons/

Terra Mission - Earth Science Satellite (1999-2025)
https://eospso.nasa.gov/missions/terra

https://eospso.nasa.gov/sites/default/files/mission_handbooks/Terra.pdf

Aqua Mission - Earth Science Satellite (2004-2025)

https://science.nasa.gov/mission/aqua/

Deep Space Climate Observatory (DSCOVR)/Earth Polychromatic Imaging Camera (EPIC) (2015-2025)

https://epic.gsfc.nasa.gov/

Chandra X-ray Observatory (1999-2025)

https://chandra.harvard.edu

https://www.nasa.gov/mission/chandra-x-ray-observatory/

Mars Odyssey Mission (2001-2025)

https://science.nasa.gov/mission/odyssey/

Thermosphere, Ionosphere, Mesosphere Energetics and Dynamics (TIMED) Earth Science Mission (2001-2025)

https://science.nasa.gov/mission/timed/

Aura Earth Science Mission (2004-2025)

https://science.nasa.gov/mission/aura/

THEMIS-ARTEMIS Sun-Earth Satellite (2007-2025)

https://science.nasa.gov/mission/themis-artemis/

Fermi Mission: Gamma-ray Space Telescope (2008-2025)

https://science.nasa.gov/mission/fermi/

https://fermi.gsfc.nasa.gov/ssc/

Interstellar Boundary Explorer (IBEX) (2008-2025)

https://science.nasa.gov/mission/ibex/

Orbiting Carbon Observatory (OCO-2) Earth Satellite (2014-2025)

https://ocov2.jpl.nasa.gov/

Magnetospheric Multiscale (MMS) Sun-Earth Satellite (2015-2025)

https://science.nasa.gov/mission/mms/

OSIRIS-APEX Origins, Spectral Interpretation, Resource Identification and Security – Apophis Explorer - Asteroid Mission (2016-2025)

https://science.nasa.gov/mission/osiris-apex/

SAGE III - Stratospheric Aerosol and Gas Experiment III Earth Satellite (2017-2025)

https://science.nasa.gov/mission/sage-3-iss/

Global-scale Observations of the Limb and Disk (GOLD) Earth Satellite (2018-2025)

https://science.nasa.gov/mission/gold/

Orbiting Carbon Observatory (OCO-3) Earth Satellite (2019-2025)

https://science.nasa.gov/mission/oco-3/

Image Credits: NASA/The Planetary Society/NASA Watch

Release Dates: May 30-31, 2025

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