NASA astronaut and Expedition 72 Flight Engineer Don Pettit displays samples validating on-orbit Nucleic Acid Sequenced Based Amplification (NASBA), a novel technique to detect specific RNA sequences that can be applied to studying crucial biological processes, such as viral infection, genomic damage, or gene expression during spaceflight.
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iss072e861730 (March 28, 2025) --- NASA astronaut and Expedition 72 Flight Engineer Nichole Ayers is pictured at the controls of the robotics workstation in the International Space Station's Destiny laboratory module. Ayers was monitoring the release of the Northrop Grumman Cygnus cargo craft from the grips of the Canadarm2 robotic arm ending a seven-and-a-half-month mission at the orbital lab.
Tags: NASA International Space Station Expedition 72 astronaut
iss072e919611 (April 2, 2025) --- NASA astronaut and Expedition 72 Flight Engineer Nichole Ayers cleans ventilation system fans and inlets inside the International Space Station's Destiny labortory module.
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iss072e882087 (April 1, 2025) --- NASA astronaut and Expedition 72 Flight Engineer Anne McClain is pictured in the Destiny laboratory module wearing an experimental wearable dosimeter that measures radiation dosages crews are exposed to in real time aboard the International Space Station.
Tags: NASA International Space Station Expedition 72 astronaut
iss072e882080 (March 31, 2025) --- NASA astronaut and Expedition 72 Flight Engineer Nichole Ayers talks on a ham radio with students from Lakeside Junior High School in Springdale, Arkansas. Ayers answered questions from the students about her experience living and working aboard the International Space Station.
Tags: NASA International Space Station Expedition 72 astronaut