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Ethan J. Schreier to Become President of Associated Universities, Inc.
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By Space Force
128 Air Force Reserve Professionals who will transfer into the Space Force in a full-time capacity.
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By NASA
1 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
Astronaut Serena M. Auñón-Chancellor Examines Her Eyes in SpaceNASA Exposure to altered gravity can cause ocular and brain structural changes to develop during spaceflight; these changes could lead to vision alterations, cognitive effects, or other deleterious health effects. SANS is a syndrome unique to humans that fly in space, and there is no terrestrial disease equivalent. Brain structural changes appear small but seem to indicate that over half of crewmembers experience one or more symptoms of SANS. Determining intracranial pressure during spaceflight could improve our understanding of SANS mechanisms and improve our ability to target countermeasures for determining risk for future missions.
NASA astronaut Karen Nyberg, Expedition 36 flight engineer, conducts an ocular health exam on herself in the Destiny laboratory of the Earth-orbiting International Space Station. (NASA)NASA Directed Acyclic Graph Files
+ DAG File Information (HSRB Home Page)
+ SANS Risk DAG and Narrative (PDF)
+ SANS Risk DAG Code (TXT)
Human Research Roadmap
+ Risk of Spaceflight Associated Neuro-ocular Syndrome
+ 2022 April Evidence Report (PDF)
Human System Risks Share
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Last Updated Mar 11, 2025 EditorRobert E. LewisLocationJohnson Space Center Related Terms
Human Health and Performance Human System Risks Explore More
1 min read Risk of Toxic Substance Exposure
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By European Space Agency
At the European Space Agency’s technical heart in the Netherlands, engineers have spent the last five months unboxing and testing elements of Europe’s next space science mission. With the two main parts now joined together, Smile is well on its way to being ready to launch by the end of 2025.
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By Space Force
The Department of Defense released the memorandum Interim Guidance for Executive Order 14222, “Implementing the President’s ‘Department of Government Efficiency’ Cost Efficiency Initiative.”
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By NASA
NASA President Jimmy Carter, wife Rosalynn, and daughter Amy, along with Kennedy Space Center Director Lee Scherer, look at a scale model of the crawler that transported the total shuttle launch configuration from the Vehicle Assembly Building to Pad 39.
Despite the setbacks faced through technical and schedule problems during the development of the Space Shuttle Program, President Carter provided NASA with its first budget extension to complete funding for the program.
His decision to support the creation of a peaceful scientific spacecraft enabled the creation of the International Space Station, the longest continuously maintained laboratory in space–dedicated to the peaceful advance of scientific discovery.
President Carter passed away Sunday, Dec. 29, 2024. Read a statement from NASA Administrator Bill Nelson paying tribute.
Image Credit: NASA
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