Green but costly, hybrid buses far from mass production

Fuel-efficient and environmentally-friendly, hybrid buses starred at a public transportation congress in Vienna this week, but they still face a long road before becoming cost-effective on a mass scale.

Bing luring Internet searchers: comScore

Microsoft's new Internet search engine Bing boosted the software giant's share of the US market in the week following its release, industry tracking firm comScore reported Tuesday.

Ultracool stars take 'wild rides' around, outside the Milky Way

Astronomers have found that stars of a recently discovered type, dubbed ultracool subdwarfs, take some pretty wild rides as they orbit around the Milky Way, following paths that are very different from those of typical stars. ...

Engineers unveil new lighting solutions

A study by Carnegie Mellon University researchers argues that new lighting technologies can be a key player in the portfolio of strategies needed to promote energy efficiency and to help reduce the emission of greenhouse ...

Computer Finds Massive Black Hole in Nearby Galaxy

Astronomers Karl Gebhardt of The University of Texas at Austin and Jens Thomas of the Max Planck Institute for Extraterrestrial Physics have used new computer modeling techniques to discover that the black hole at the heart ...

New technique improves estimates of pulsar ages

Astronomers at the University of California, Santa Cruz, have developed a new technique to determine the ages of millisecond pulsars, the fastest-spinning stars in the universe.

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