Mars-bound astronauts will face many dangers including extended exposure to galactic radiation, which has been shown to cause brain damage.
NASA has designed a new grappling tool based on geckos' foot grips.
NASA wants YOU to help them make new discoveries! Crowdsourcing alleviates big data problems for astronomers.
There are a million space rocks nearby. Astronomers have only mapped about 9,700 of them.
When it comes to saving the Earth from threatening astroids, Bruce Willis can only do so much.
In order to reach Mars, our astronauts may have to stop by a lassoed astroid first.
While there's still no evidence that life evolved on Mars, we now know that it at least could have.
Why you should thank NASA for rainy day road safety on this Moment of Science.