It's not just a big deal for future space tourists, either.
The James Webb Space Telescope has an ever-expanding timeline—and projected cost.
Oh gosh, this is really happening.
Should we go? Can we afford to go? All this, and more.
Drone swarms, a flying luxury car, and a rocket to the moon.
Can we, uh, not give up on this planet quite yet?
And should colonists on Mars be allowed to eat each other?
A conversation with the founder of Moon Express
7 vehicles that will carry humanity into orbit and beyond very soon
Instead they favor going back to the moon
And it wouldn't actually be that expensive, thanks to robots, 3D printing, and SpaceX
How much are we really paying to explore the universe?
Tiny satellites could help turn the Moon into a gas station for solar system exploration
Now if only we could get there alive
And that in turn could help us get to Mars, says NASA-commissioned study
More than 200,000 aspiring space explorers volunteered for a one-way trip to Mars. Are they insane?
Crowdfund this spacecraft and put a piece of yourself in a lunar time capsule
See you on the dark side of the moon