Solar storms, sharp sand, and near-weightlessness are just the tip of the iceberg.
Results show the human body changes, but not dramatically.
It's not just a big deal for future space tourists, either.
We're under a time crunch.
Here are some highlights from its journey
Can gardens help astronauts go farther?
Should we go? Can we afford to go? All this, and more.
Before women started flying in space, NASA was a little worried they might die having their periods
3D printing our way to the year 2050
The baron of low-Earth orbit
Natural medicines, made to order in space
They're launching to the International Space Station next week
He spent a year in space, but the fun's not over yet
NASA's Vickie Kloeris explains the challenges of designing food for deep space missions
Almost as good as the book
NASA's new deputy director explains her plans to send astronauts to Mars by 2030
You don't need a rocket to leave Earth. There's a slower, gentler trip in the works—and it comes with a cocktail.
This Mars-sized exoplanet is a big deal
Many hopefuls have signed up for a one-way ticket to the red planet. But if they aren't prepared, the trip may be a short one.
A Gallery Of Photos Curated By The Person Who Made Most Of Them
The Low-Density Supersonic Decelerator will help the space agency slow its roll
The Dawn spacecraft arrives at Ceres this March, and it could be the most surprising space mission in decades