NASA's "InSight" mission takes off in May 2018 with the goal of understanding what goes on under the Red Planet's surface.
This could provide a window into the Red Planet's past.
The Roadster will be playing David Bowie's "Space Oddity" through its billion-year Mars orbit.
Scientists believe the red planet was once wet and warm, but they couldn't figure out where the water had gone. A new study suggests a possible explanation.
"It is high time that humanity went beyond Earth."
Money can't buy happiness, but it can buy a taste of the future.
Which company will take the gold in the race to Mars?
"The best surprise came at the end of the experiment when we found two young worms in the Mars soil simulant."
Not everyone agrees with Elon Musk. There may be better plans.
"Establishing a colony on Mars is incredibly technically challenging and expensive."
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