ORLANDO, Fla. – Human spaceflight to Mars could become a reality within the next 25 years, but not until some physiological problems are resolved, including an alarming loss of bone mass, fitness and ...
NASA’s Expedition 74 astronauts are trialing the European Enhanced Exploration Exercise Device (E4D) on the ISS while conducting vascular scans to study microgravity’s effects on circulation. The ...
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