Though he said he envisions humans living in a large colony on Mars, he added that the key will be getting the cost down low enough to attract willing volunteers.
The Boeing Co. marked its centennial on Friday with plans to sharpen its focus on innovation, including ambitious projects for supersonic commercial flight and a rocket that could carry humans to other planets.
A new study says the planet's water might not be drinkable. Worse, it might not even exist. A team of scientists from the University of Arizona looked more closely into those dark streaks called "recurrent slope linae" or RSL in an effort to figure out their origin.
Entrepreneur Jaymee Del Rosario has been selected among the 100 candidates to possibly colonize the red planet as part of an initiative called Mars One. Here's what she has to say about her ambitious plans.