Solar storms, sharp sand, and near-weightlessness are just the tip of the iceberg.
We have no idea what it might be.
The plumes are stunning—and scientifically useful.
Meet the moon with 11 mile high cliff
The news isn't great, but it's not a showstopper either.
From the Popular Science archives.
Buried under an ice cap, the water is so deep scientists couldn't probe to the bottom.
Researchers might not have to dig as deep as they thought to find proof of biological activity.
The early solar system was a wild, world-destroying place.
Submarines and rovers will go for a dive on the moons of Jupiter and Saturn
Small, but mighty.
Lockheed Martin will build a deep space habitat inside a space shuttle cargo container.
Short answer: a time machine
Imagine the space-scuba diving potential
But it isn't water
A lesson from the Apollo missions
Going to Alpha Centauri "within a generation"
Go to Western Europe, young companies
NASA's Vickie Kloeris explains the challenges of designing food for deep space missions
In the California desert, Honeybee Robotics is testing a drill that could search for life on other worlds
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.
Where no yeast has gone before
Turning the heat up on this frigid space rock
Yesterday's Antares failure was not exactly unprecedented.