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Apr 2, 2014 10:33 AM ET // Discovery News
Last year it was canned air. This year, the lucky ones in China get to inhale pristine mountain air, from a bag.
Nov 5, 2013 08:00 AM ET // Tim Wall
Tiny puffs of air from 1.5 million years ago may be locked inside bubbles in the ice nearly two miles beneath Antarctica's surface. Continue reading →
Jan 10, 2011 03:22 PM ET // Tim Wall
Earth's self-cleaning system works better than expected.
Mar 30, 2011 04:19 PM ET // John D. Cox
Atmospheric waves generated from ocean heat may provide a new explanation for why western cities are usually warmer than eastern cities despite similar latitudes.