December 2025

Human Health and Performance
Hazardous Materials Summary Tables (HMSTs) are a compilation of the chemical, biological, and flammability hazards of materials on a given flight or mission. HMSTs are required by Safety for all Programs, including but not limited to ISS, Commercial Crew Program (CCP), Multi Purpose Crew Vehicle (MPCV), and Gateway.
Posted December 3, 2025
Human Health and Performance
Toxicology and Environmental Chemistry (TEC) monitors airborne contaminants in both spacecraft air and water. In-flight monitors are employed to provide real-time insight into the environmental conditions on ISS. Archival samples are collected and returned to Earth for full characterization of ISS air and water.
Posted December 3, 2025
ISS Research
General
Humans in Space
International Space Station (ISS)
NASA astronaut Jonny Kim is wrapping up his first mission aboard the International Space Station in early December. During his stay, Kim conducted scientific experiments and technology demonstrations to benefit humanity on Earth and advance NASA’s Artemis campaign in preparation for future human missions to Mars.
Posted December 3, 2025
Artemis
Exploration Systems Development Mission Directorate
Science & Research
NASA has selected the University of Alabama at Birmingham to provide the necessary systems required to return temperature sensitive science payloads to Earth from the Moon. The Lunar Freezer System contract is an indefinite-delivery/indefinite-quantity award with cost-plus-fixed-fee delivery orders. The contract begins Thursday, Dec.
Posted December 2, 2025
Goddard Space Flight Center
Space Technology Mission Directorate
Technology
Technology Demonstration
NASA and industry partners will fly and operate a commercial robotic arm in low Earth orbit through the Fly Foundational Robots mission set to launch in late 2027. This mission aims to revolutionize in-space operations, a critical capability for sustainably living and working on other planets.
Posted December 2, 2025
Earth's Moon
International Space Station (ISS)
The waxing gibbous moon rises above Earth’s blue atmosphere in this photograph taken from the International Space Station on Oct. 3, 2025, as it orbited 263 miles above a cloudy Atlantic Ocean off the coast of Quebec, Canada. In our entire solar system, the only object that shines with its own light is the Sun. […]
Posted December 2, 2025
Mars
Robotics
Technology Research
Next-generation drone flight software is just one of 25 technologies for the Red Planet that the space agency funded for development this year. When NASA engineers want to test a concept for exploring the Red Planet, they have to find ways to create Mars-like conditions here on Earth. Then they test, tinker, and repeat.  That’s […]
Posted December 2, 2025
Artemis 2
Exploration Ground Systems
Kennedy Space Center
Michoud Assembly Facility
Missions
Orion Program
NASA is marking America’s 250th year with a bold new symbol of the nation’s relentless drive to explore. The America 250 emblem is now on the twin solid rocket boosters of the SLS (Space Launch System) rocket for Artemis II — the powerhouse that will launch a crew of four around the Moon next year. […]
Posted December 2, 2025
Johnson Space Center
International Space Station (ISS)
On Nov. 2, 2025, NASA honored 25 years of continuous human presence aboard the International Space Station.
Posted December 2, 2025
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