Tesla Motors’ loan repayment is a bright spot for the DOE loan program.
A hydrocarbon-sorting material could replace energy-intensive oil refining steps.
Most teenagers deliberately hide what they are really talking about on Facebook - a practice that could make it harder to pitch ads at them.
A 19th-century idea might lead to cleaner cars, larger-scale renewable energy.
Spacecraft could determine their position anywhere in the solar system to within five kilometres using signals from x-ray pulsars, say astronomers.
Devotees of the digital currency are ratcheting up their technology in a race to generate new coins.
A new line of research examines what happens in an office where the positions of the cubicles and walls—even the coffee pot—are all determined by data.
Can cultural factors be more important than censorship in shaping Chinese surfing habits? Two researchers argue that a new study of the way global websites cluster together supports this idea.
Building solar and wind projects in the wrong place is wasting billions of dollars in Europe.