Astronauts Say Space Smells Like Seared Steak, Hot Metal, and Welding Fumes

Upon returning to the airlock after spacewalks, astronauts often describe a distinct, pungent aroma clinging to their suits, reminiscent of a metallic, smoky, and slightly sweet scent. This is thought to be caused by high-energy vibrations of ions in space.

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https://www.nasa.gov/feature/what-does-space-smell-like

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Published: March 26, 2026
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Space Astronomy Universe Weird Sensory Astronaut Smell Nasa Exploration

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