What Can Artemis II Astronauts' Saliva Tell Us? | NASA's Johnson Space Center

What Can Artemis II Astronauts' Saliva Tell Us? | NASA's Johnson Space Center

Saliva can tell us a lot about astronaut health. Before, during, and after their trek around the Moon, Artemis II astronauts will collect saliva samples. These samples will help scientists probe how the immune system reacts to deep space, so that NASA can ensure that humans, rather than viruses, thrive in space as we venture to the Moon, Mars, and beyond! Watch to learn more.

NASA Artemis II Mission page:
https://www.nasa.gov/mission/artemis-ii/

Follow NASA updates on the Artemis Program blog: https://blogs.nasa.gov/artemis/

Video Credit: NASA's Johnson Space Center
Duration: 1 minute, 28 seconds
Release Date: Jan. 30, 2026

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