Could Humans Actually Survive a Real Interstellar Mission (Brace Yourself)

Sleep Science · Sep 7, 2026 · 2h 3m

Interstellar survival is not just an engineering problem—it's a biological and psychological gauntlet. The nearest star would take tens of thousands of years with current tech, forcing multi-generational crews to maintain cooperation across centuries . Radiation exposure would age the body faster, triggering cellular senescence and inflammation . Meanwhile, Mars500 simulations showed 4 out of 6 crew members developed sleep disorders and mild depression from chronic isolation . Humanity may have to evolve just to survive the trip