Science

Earth selfie: Baikonur Cosmodrome
Clear skies reach from the Red Sea to the Himalayas, stretching north to Kazakhstan, home of Baikonur Cosmodrome, the only space port operating human space flights.
Between cheap gas and carbon caps, oil sands face uncertain fate
Canada's potentially lucrative oil sands business faces serious economic challenges. It has some concerned about its future as environmental critics look for ways to keep the oil in the ground.
No warp drives, no transporters: Science fiction authors get real
Some of the biggest names in science fiction right now -- like "The Martian" author Andy Weir -- are writing what's called hard sci-fi, based on real-world science and a vision of hope for the future.