Plant parts used to generate electricity
Researchers have built an energy conversion technology inspired by photosynthesis, the process plants use to convert sunlight into food. It may one day power remote sensors. Full story
Solar plane makes first stopover in US odyssey
A Swiss-made, solar-powered airplane called Solar Impulse has finished the first leg of its months-long, fuel-free aerial odyssey across America.
Xbox One vs. PlayStation 4 vs. Wii U: Can one console rule?
All three next-generation video game consoles are now official, but only Nintendo's Wii U has hit the market. In the months leading up to the Microsoft Xbox One and Sony PlayStation 4 launches, it's time to speculate: What will it take to win the new console war?
Pope to tweet farewell as he leaves Vatican
Pope Benedict XVI, the first pope to join Twitter, will post his last tweet on the social network at 11 a.m. ET, Thursday, right when he's expected to leave the Vatican by helicopter on his last day as pontiff. The papal Twitter account, @Pontifex, will be then be suspended until his successor is elected.
