"I’d say that while an astronaut could make it to Mars they might need dialysis on the way back," researchers said.

Dive into 100 weird facts that are wild and true! Explore mind-bending discoveries from science, history, and nature. Prepare ...

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The Artemis II astronauts have described key moments from their 10‑day mission around the moon, including a sudden fuel leak warning and the pioneering use of a high‑capacity laser communications link ...