Blog

Spaceflight changes how astronauts perceive smell, taste, and flavor through fluid shifts, cabin air chemistry, and sensory adaptation.

Learn how microgravity changes bone density, why astronauts lose calcium, and what NASA does to protect skeletal health in space.

Learn how astronauts recycle water in space using advanced life-support systems that clean urine, sweat, and humidity into drinkable water.

Learn how microgravity changes blood volume, flow, clotting, and red blood cell turnover during spaceflight.

Astronauts need life support because space is hostile to human biology. Learn how spacecraft keep crews alive with air, pressure, water, temperature control, and waste management.

Astronauts need spacesuits to survive vacuum, radiation, and extreme temperatures while staying mobile and connected during spacewalks.

Explore how confinement affects astronauts, from muscle loss and sleep disruption to teamwork, stress, and mission performance in space.

Astronauts recycle water to survive long missions, conserve mass, and keep life support systems running in space.

Spaceflight changes the body in ways that can slow recovery after landing. Learn the main physiological effects, risks, and evidence-based rehab strategies.

Astronauts wear diapers during launch for safety, comfort, and mission readiness. Here’s how they work and why they’re still used.