Watching an Angry Solar Cycle
December 21 — Solar scientists have the best seat in the house as the Sun's stormy season approaches its zenith. The largest coordinated fleet of spacecraft and ground observatories ever assembled is helping to predict the impact of turbulent space weather. More

First Images Returned from EO-1
December 19 — Scientists are excited about the quality of the first images from NASA's Earth Observing-1 spacecraft. More

Improved Look at Tropical Rainfall
December 18 — New satellite rain maps reveal a more accurate picture of how much rain falls in the tropics. The maps from NASA's TRMM mission may provide clues to developing El Niños and La Niñas. More

Ice Sheet Not a Major Source of Current Sea-Level Rise
December 16 — The West Antarctic Ice Sheet's contribution to global sea-level rise may be much slower today than it was in the past. New evidence indicates that the ice sheet may not have been as big or as steady a source of sea-level rise as scientists thought. More

"Iron-Limited" Areas of World's Oceans Identified
December 15 — A new study may give scientists their first global picture of the extent of unique "iron-limited" ocean regions. More

Arctic Ozone Layer May Take Longer to Recover
December 15 — Scientists expect that recovery of the Arctic ozone layer may be slower than previously expected. Low temperatures have recently increased ozone losses over the Arctic despite the phase out of ozone-destroying chemicals. More

Terra Instrument Zooms In on Earth
December 5 — Earth comes in for its close-up with the "zoom lens" on NASA's Terra satellite. Images from the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) are now are available to the public. More

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