A new report from the E.U. estimates the true economic cost of different forms of energy production.
Lockheed Martin says it will have a small fusion reactor prototype in five years but offers no data.
Connected home devices such as thermostats, lamps, and blinds could be easier to manage if they responded to voice commands.
If large numbers of commercial drones are to take to the skies, they'll need an air traffic control system.
Development is lifting people out of poverty, but there’s still far to go.
A treatment based on embryonic stem cells clears a key safety hurdle and might help restore vision.
The furor over a Facebook experiment suggests that few people realize how often Web companies test out new product features on them.
Airbus is developing carbon materials that change in response to heat and air pressure, possibly making aircraft simpler and lighter.
A startup that might have a record-breaking solar cell is in danger of going out of business.
The inventor of Second Life has spent 15 years chasing the dream of living in virtual space. Can his new company finally give virtual worlds mass-market appeal?