His favorite astronaut, his most beloved fictional space explorer, and the discoveries that would have changed the plot of 'The Martian.'
Ready, set, go.
The answer was blowing in the solar wind.
And should colonists on Mars be allowed to eat each other?
In an exclusive interview, the executive producers of NatGeo's 'Mars' miniseries discuss colonizing the red planet
They're a potential source of food, air, clothing, and more. But will they survive the journey, and can we avoid contaminating the red planet?
Finally, a good use for climate change
Mars is hard
The importance of today's landing
A quick primer on Martian law
Space is hard, and Mars is even harder
The journey to Mars, told in GIFs
Orbiting laboratory could pave the way for a landing party
Or the lack of a plan, rather
NASA's Vickie Kloeris explains the challenges of designing food for deep space missions
Unfortunately, NASA doesn't have a good game plan
A look at the spacecraft's first year studying the Martian atmosphere
Astrobiologist wants to make sure the red planet is independent from the start
It's been 50 years since we got the first images of Mars. Now we're about to get the first images of Pluto.
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.
More than 200,000 aspiring space explorers volunteered for a one-way trip to Mars. Are they insane?
Happy Carl Sagan day! Celebrate with this blast from the past in the pages of Popular Science
But CEO Bas Lansdorp says the study used bad data.