BOSTON—Tens of millions of residents along the East Coast are bracing for several inches of snow Sunday followed by dangerously cold temperatures that will grip much of the country from the Northern ...

去年10月底，全新的小米15系列正式发售，包含小米15和小米15 Pro两款机型，其中小米15依然维持了小尺寸旗舰的定位，小米15 ...

A winter storm that dropped heavy snow and glazed roads throughout the U.S. South was maintaining its icy grip on much of the ...

A powerful winter storm that dumped heavy snow and glazed roads with ice across much of Texas and Oklahoma lumbered eastward ...

Schools and cities from Texas to Georgia are shutting down in anticipation of freezing rain and snow forecast for much of the ...

The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes plunges south into the US, Europe ...

A huge swath of the U.S. is being blasted by ice, snow and wind, as the polar vortex that dipped south over the weekend is ...

The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes plunges south into the U.S., Europe and Asia. Studies show that a fast-warming Arctic is partly to blame for ...

The monument responds to seasonal temperatures, contracting a few millimeters when it's cold and expanding when it's warm.