Browse Archive
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Earth Day 2009
Join NASA as we celebrate Earth Day and share our unique perspective, observing the home planet from space.
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CALIPSO Sees Through the Haze
New research shows that the warming effect of aerosols, or small particles in the air, increases with the amount of cloud cover below the aerosols.
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CALIPSO Makes Successful Switch to Backup Laser
The CALIPSO satellite is helping scientists solve the puzzle of how clouds and aerosols affect Earth's climate.
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Experiment May Help Forecast Deadly Cyclones
NASA satellite data and a new modeling approach could improve weather forecasting and save more lives when future cyclones develop.
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Aerosols May Drive Significant Portion of Arctic Warming
New NASA research suggests that much of the atmospheric warming observed in the Arctic since 1976 may be due to changes in tiny airborne particles.
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Wilkins Ice Bridge Collapse
A narrow ice bridge connecting the last remnants of the northern part of Antarctica’s Wilkins Ice Shelf broke apart in early April 2009.
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Scientists Prepare for Return to Pine Island Glacier
Polar scientists believe Antarctica's Pine Island Glacier to be thinning because of warm ocean waters below.
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Satellites Show Arctic Literally on Thin Ice
The latest Arctic sea ice data show that the decade-long trend of shrinking sea ice cover is continuing.
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Climate Change Will Make for Uneven Ozone Recovery
New research by NASA suggests the ozone layer of the future is unlikely to look much like the past because greenhouse gases are changing the dynamics of the atmosphere.
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NASA Continues to Advance Polar Science
Although the International Polar Year officially came to a close in February, NASA is continuing to push the frontiers of polar science from space, the air and the surface of ice.