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Scientists dig deep, get cosmic at geophysics conference

At the American Geophysical Union conference, scientists discuss the ins and outs of Earth and its solar system.

At the American Geophysical Union conference taking place in San Francisco this week, scientists gather to discuss the ins and outs of Earth and its solar system.

Global warming worry: Accelerating pace of change

An expert frets about the accelerating retreat of glaciers from mountain peaks. With rates up to 60 meters per year, is it time to redefine the term "glacial"?
December 13, 2007

NASA's newest Mars orbiter has helped explain some strange textures near the planet's south pole.
December 12, 2007

Record heat sweeps Arctic Sea, ice in 2007

Blame the feedback loops: In 2007, Arctic ice hit a new low, Greenland ice melted for longer, and the Arctic Sea temperature was 'off the charts.'
December 12, 2007

Scientists tackling longer-range weather forecasts

Computer models of a rainfall oscillation pattern can give a glimpse into weather patterns one to three weeks in the future, according to a NASA scientist.
December 11, 2007

Voyager 2 finds our solar system is squashed

Thirty years after launch--and earlier than expected--Voyager 2 finds the beginning of the end of the heliosphere, where the sun's solar wind dominates space. Guess what: It's not spherical.

December 10, 2007

Stanford eyes offshore wind farms for Calif.

A Stanford team gives Cape Mendocino the top pick as a site for an offshore wind turbine power plant. Also: Interconnect wind farms for a steady electrical supply.
December 10, 2007

Warming climate triples northern fire frequency

Black spruce forests in Alaska and Canada have been burning more often and more deeply since 1987--and they're releasing more carbon dioxide as a result.
December 10, 2007

previous coverage

Major international effort to push multidisciplinary research at the North and South Poles as concern mounts over global warming.

March 2, 2007

roundup At the fall meeting of the American Geophysical Union, scientists deliver somber findings on global warming.
December 14, 2006