Severe droughts are forcing researchers to rethink how technology can increase the supply of fresh water.
Four decades before the MOOC, a 1970 essay anticipates the potential boon of an education by computer.
A group of journalists and researchers wade into ugly corners of the Internet to expose racists, creeps, and hypocrites. Have they gone too far?
Scientists are starting to open their DNA databases online, creating a network that could pave the way for gene analysis at a new scale.
Online courses may not be changing colleges as their boosters claimed they would, but they can prove valuable in surprising ways.
The first commercial power plant to use carbon capture and sequestration shows the potential of a crucial technology.
Equipment for making microchips has led to solar cells that are twice as efficient as conventional ones.
The science fiction master’s (brief) foray into missile defense.