Deadly winter blizzard leaves US in pre-Christmas deep freeze

A fearsome winter storm that pummelled the United States with blinding snow and powerful Arctic winds left over half a million customers without power Saturday as thousands of cancelled flights stranded travelers making last-minute ...

What's causing Australia's heat wave?

Australia has started 2013 with a record-breaking heat wave that has lasted more than two weeks across many parts of the country. Temperatures have regularly gone above 48°C, with the highest recorded maximum of 49.6°C ...

Menaced by flames, nuclear lab peers into future of wildfire

Public schools were closed and evacuation bags packed this week as a stubborn wildfire crept within a few miles of the city of Los Alamos and its companion U.S. national security lab—where assessing apocalyptic threats ...

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