Stephen Hawking's Warning: Abandon Earth—Or Face Extinction
Let's face it: The planet is heating up, Earth's population is expanding at an exponential rate, and the the natural resources vital to our survival are running out faster than we can replace them with sustainable alternatives.
So, according to famed theoretical physicist Stephen Hawking, it's time to free ourselves from Mother Earth.
"I believe that the long-term future of the human race must be in space,"
"It will be...