We haven't seen a rock like this in 50 years.
Results show the human body changes, but not dramatically.
You've likely outlived the company that wanted to film you dying on Mars.
Don't worry, no one has gotten sick yet.
The news isn't great, but it's not a showstopper either.
How much are you willing to pay to become an astronaut?
Researchers monitored microbes on a mock flight to Mars.
Their dream jobs just became a reality.
Congress has only approved funding through 2024. What happens then?
Rodents suffer from cognitive problems months after encountering space-like radiation
Spelunking as a space simulation
Zero gravity pharmacy
Inks deal to launch giant inflatable habitats starting in 2020
Two private spacecraft are now attached to the space station; more will follow
Four possible scenarios...
Q&A with Amy Shira Teitel on 'Breaking the Chains of Gravity'
Short on budget, the Space Launch System reportedly doesn't have a game plan
Plus a sneak-peak review of the first 49 minutes of the film
In 1952, the Hayden Planetarium offered applicants the trip of a lifetime
Slow but steady sun-powered spacecraft could transform space travel
This isn't good news for a future Mars trip
Human hibernation could be a great way to get to Mars (and beyond), but a few big questions remain.