Microsoft woos mobile users, aims at Apple

Microsoft kicked off sales of its revamped Windows 8 system and Surface tablet Friday amid mixed reviews as the tech giant ramped up efforts to compete in a market shifting rapidly from PCs to mobile devices.

Chile's ALMA probes for origins of universe

(AP)—Earth's largest radio telescope is growing more powerful by the day on this remote plateau high above Chile's Atacama desert, where visitors often feel like they're planting the first human footprints on the red crust ...

Scientists demonstrate high-efficiency quantum dot solar cells

Research shows newly developed solar powered cells may soon outperform conventional photovoltaic technology. Scientists from the National Renewable Energy Laboratory (NREL) have demonstrated the first solar cell with external ...

Citi fined $2 mn over Facebook IPO leak

US banking giant Citigroup paid a $2 million fine to a state regulator and fired a junior analyst over a probe into leaks of confidential information on Facebook's public offering, officials said Friday.

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