The Interplanetary Transport System envisions humanity not only colonizing the Red Planet, but establishing a solar system-wide transportation infrastructure.
Elon Musk's space company aiming for first flight to the Red Planet in 2018 and the US space agency says the time is right.
Marsquakes -- that is, earthquakes on Mars -- could generate enough hydrogen to support life there.
The aquatic animal's ability to spring back to life from extreme conditions holds promise for new medical treatments.
Elon Musk has hinted that the Mars Colonial Transport isn't just a concept to land humans on Mars -- it will provide an infrastructure throughout the solar system.