Because China relies so heavily on coal for power, electric vehicles aren’t necessarily an improvement over gasoline-powered cars.
The global network of links between the world's airports looks robust but contains a hidden weakness that could lead to entire regions of the planet being cut off.
A U.N. climate report says we’ll overshoot greenhouse gas targets, and will need new technologies to make up for it.
The Roomba maker is working on technology that could enable robots to help with more household chores.
Law enforcement agencies are turning to social network theory to better understand the behaviors and habits of criminal gangs.
Tesla’s audacious plan to build a giant battery factory may mostly be a clever negotiating tactic.
The energy-efficient power networks of the future will require entirely new ways of forecasting demand on the scale of individual households. That won't be easy.
Comcast’s proposed $45 billion merger with Time Warner Cable is reminiscent of a 1990s-era plan for Internet dominance that Comcast then distrusted.
Stanford researchers develop a copper catalyst that can efficiently convert carbon monoxide and water to ethanol.
Three years after the Fukushima disaster, some countries are pulling back from nuclear power while others grow capacity.