Overview

• The proposed FY2026 budget reduces NASA's funding by $6 billion, marking a 24% topline cut and a 47% reduction in science budgets.
• Key programs facing cancellation include the Mars Sample Return mission, the Space Launch System rocket, the Orion spacecraft, and the Lunar Gateway station.
• The budget reallocates $7 billion for lunar exploration and $1 billion for Mars-focused human spaceflight, aiming to counter China's growing space ambitions.
• Climate-focused Earth science missions and green aviation projects face significant cuts, raising concerns about weakened environmental monitoring capabilities.
• NASA leadership and advocacy groups are urging Congress to reject the plan, warning of long-term impacts on U.S. space science and global leadership.