Mars-bound astronauts will face many dangers including extended exposure to galactic radiation, which has been shown to cause brain damage.
Imagine being cooped up for months inside a space capsule or station with other astronauts, constantly checking equipment to make sure everything works.
You want to build a spaceship that can travel from Earth to the newly established colony on Mars, but there's no way a human crew can survive the trip.
The startling experience of five British monks from the twelfth century who saw an enormous explosion occur on the moon. The moon still be vibrating today.
Have you ever tried this Malaysian favorite? We've heard that it's out of this world. Literally!
Another space race? Probably not, but space programs around the world are making exciting plans for the moon.
Most of us picture astronauts bouncing gracefully on the moons surface, but what we don't see are the crash landings!
Astronauts and people on bed rest can experience gradual bone loss that increases their risk of fracturing a bone. Here's why.
In our high-tech, wireless world, space flight is no longer as big a deal as it once was. Still, a rocket launch is a big deal. Even small-scale rockets are relatively large, complex machines requiring a huge amount of force to propel them beyond the earth’s atmosphere and into space. Learn more on this Moment of Science.
Visionaries began to seriously consider space elevator fantasies in the 1960s. But it was only in the past decade that scientists discovered material strong enough to construct an elevator cable capable of surviving the rigors of supporting a large chamber as it climbs into space.