Illustration of an astronaut showing muscle atrophy and bone loss caused by prolonged exposure to microgravity during long-duration space missions.

Why Do Astronauts Lose Muscle and Bone in Space? The Hidden Cost of Living Without Gravity

August 4, 2026 Science Buzzer 0

Astronauts exercise for two hours every day, yet they still lose muscle and bone in space. Discover how microgravity transforms the human body and why this research is crucial for future Moon and Mars missions.