astronaut health
Add Astronaut Nutrition to the List of Barriers to Long-Duration Spaceflight
Though there are no firm plans for a crewed mission to Mars, we all know one's coming. Astronauts routinely spend…
What Does a Trip to Mars Do to the Brain?
It’s not long before a conversation about space travel is likely to turn to the impact on the human body.…
Space Travel Weakens the Heart, New Study Finds
It's no secret that spending extended periods in space takes a toll on the human body. For years, NASA and…
How Can Astronauts Avoid Vision Loss from Spaceflight?
Human bodies are sacks of fluids supported by skeletons. The entire human organism has evolved over billions of years on…
Astronauts’ Muscle Loss Mimics Age-Related Muscle Loss
One of the hazards astronauts must contend with is muscle loss. The more time they spend in a microgravity environment,…
The Shelf Life of Many Medications Is Shorter Than A Round Trip To Mars
Check any container of over-the-counter medicine, and you'll see its expiration date. Prescription medicines have similar lifetimes, and we're told…
Will Space Tourists Be Getting Heart Attacks in Space?
Astronauts are considered by many to be an elite bunch of people; healthy, fit and capable in many disciplines. Went…
Lunar Explorers Could Run to Create Artificial Gravity for Themselves
Few things in life are certain. But it seems highly probable that people will explore the lunar surface over the…
Electrodes in Spacesuits Could Protect Astronauts from Harmful Dust on Mars
To quote NASA associate administrator Jim Reuter, sending crewed missions to Mars by 2040 is an "audacious goal." The challenges…
Can We Survive in Space? It Might Depend on How Our Gut Microbiome Adapts
For over a century, people have dreamed of the day when humanity (as a species) would venture into space. In…