A recent NASA study suggests that tiny dust particles may have foiled forecasts that the 2006 hurricane season would be another active one.

Two things that come to mind during wintertime are snowflakes and reindeer, and NASA is providing technology to help study both in various ways during a kick off of the International Polar Year in Norway.

Average temperatures in California rose nearly two degrees Fahrenheit during the second half of the 20th century, with urban areas blazing the way to warmer conditions, according to a new study.

Recent NASA satellite measurements show that Greenland's ice cap is melting much faster than expected.

Scientists at NASA's Jet Propulsion Laboratory have joined their colleagues from other NASA centers, agencies, and universities in a worldwide campaign to better understand the polar regions of Earth.

Scientists have found a convincing link between long-term solar and climate variability in directly measured ancient water level records of the Nile.

NASA and the EPA recently completed a short but intense field campaign to study air quality in the San Joaquin Valley in central California.

A new NASA study has found that an important counter-balance to the warming of our planet by greenhouse gases � sunlight blocked by dust, pollution and other aerosol particles � appears to have lost ground.

A recent NASA study links natural and human-made aerosol particles to how much Earth warms or cools.

NASA satellites reveal that Amazon forests are neither evergreen nor dependent on constant rain, and are capable of manufacturing their seasons.

NASA spacecraft designed to study polar mesospheric clouds located at the edge of space will launch soon.

Researchers have woven together more than a thousand images from the Landsat 7 satellite to create the most detailed high-resolution map ever produced of Antarctica.

Determined to understand why some storms grow into hurricanes while others fizzle, NASA scientists recently looked deep into thunderstorms off the African coast using satellites and airplanes.

Researchers have unearthed how water from a vast subglacial system contributes to the formation of ice streams and plays a crucial role in transporting ice from the remote interior of Antarctica toward the surrounding ocean.

An innovative aircraft tool took center stage in a recent research mission to better understand hurricanes.

Using a new technique NASA scientists confirm that extremely heavy rainfall in the tropics is indeed on the rise.

New data from NASA satellites show that the tropical Pacific Ocean has transitioned from a warm (El Ni�o) to a cool (La Ni�a) condition during the prior two months.

Scientists using NASA data have linked the recent El Nino to the greatest rise in wildfire activity in Indonesia since the record-breaking 1997-98 El Nino.