The unmanned launch is a precursor to future moon landings
Western architects have grand plans for helping China solve its expanding environmental crisis. But the world's dirtiest country already has the power to clean up all on its own
2022 mission to a double asteroid could be a trial run for a deflection mission.
How'd they do it?
It'll spend the rest of its life orbiting the sun.
It's gorgeous down there.
Reflections on the passing of one era, and the dawning of another
Here's looking at you.
Scientists have been studying them to understand how astronauts' immune systems may change in space.
Can't beat that view.
Soon you'll be old enough to drive!
What does it take to become a citizen astronaut?
Nearly a decade ago, NASA built an Earth-monitoring satellite that could have observed global warming in action. Then the agency stashed it in a warehouse in Maryland, where it remains to this day.