River in Colorado reopens as toxic plume reaches Lake Powell

A river in Colorado that was turned sickly yellow by a mine waste spill reopened Friday after the now-diluted toxic plume passed through and reached Lake Powell—a huge reservoir 300 miles downstream that feeds the Colorado ...

Apple said to show interest in automotive testing facility

Adding fuel to rumors that Apple is working on designs for a car, local officials say engineers for the giant tech company recently made inquiries about a former navy base that's been converted into a testing ground for self-driving ...

Fifteen US states try to block Obama clean power plan

Fifteen US states have petitioned a federal court to block new rules by President Barack Obama's administration to encourage clean power and cut harmful carbon emissions from power plants.

Surprising discoveries about 2-D molybdenum disulfide

Scientists with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab) have used a unique nano-optical probe to study the effects of illumination on two-dimensional semiconductors at the ...

Q&A: Drought-weary California hopes El Nino means wet winter

Chances are strong that a record-setting El Nino is headed toward California this winter. What is unknown is how it will play out for the state beset by four years of drought that fallowed farm fields, turned lawns brown ...

New survey on Americans' foreign policy priorities

Americans favor diplomatic and economic strategies over military involvement in foreign policy, according to a new national survey conducted by The Associated Press-NORC Center for Public Affairs Research. Americans also ...

page 1 from 8