NASA: National Aeronautics and Space AdministrationEarth Observatory

NASA News

  1. NASA Goes Inside a Volcano, Monitors Activity August 7

    Scientists have placed high-tech "spiders" inside and around the mouth of Mount St. Helens, the site of the most active volcano in the United States.

  2. NASA's CloudSat Captures a Sideways Look at Fading Lana August 3

    NASA satellites do some really cool things, like take a sideways look at a slice of a tropical depression -- that's what CloudSat did with Lana in the Central Pacific.

  3. NASA's Moon Mapper Beholds Home August 3

    A false-color image of Earth was taken by the Moon Mineralogy Mapper, one of two NASA instruments onboard the Indian Space Research Organization's Chandrayaan-1 spacecraft.

  4. Researchers Link Tiny Sea Creatures to Large-Scale Ocean Mixing July 29

    Using a combination of theoretical modeling, energy calculations, and field observations, researchers have for the first time described a mechanism that explains how some of the ocean's tiniest swimming animals can have a huge impact on large-scale ocean mixing. (California Institute of Technology press release)

  5. NASA and NOAA's GOES-14 Satellite Takes First Full Disk Image July 28

    The latest Geostationary Operational Environmental Satellite, GOES-14, provided its first visible full disk image of Earth on July 27, at 2:00 p.m. EDT.

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Research Highlights

  1. The Heterogeneous Reaction of Hydroxyl Radicals with Sub-Micron Squalane Particles: a Model System for Understanding the Oxidative Aging of Ambient Aerosols, Smith, J. D., Kroll, J. H., Cappa, C. D., Che, D. L., Liu, C. L., Ahmed, M., Leone, S. R., Worsnop, D. R., and Wilson, K. R., Atmospheric Chemistry and Physics, May 18, 2009 (Vol. 9, No. 9)

  2. Constraints on the Lake Volume Required for Hydro-Fracture Through Ice Sheets, Krawczynski, M. J., M. D. Behn, S. B. Das, and I. Joughin, Geophysical Research Letters, May 16, 2009 (Vol. 36, L10501, doi:10.1029/2008GL036765)

  3. Trans-Pacific Dust Transport: Integrated Analysis of NASA/CALIPSO and a Global Aerosol Transport Model, Eguchi, K., Uno, I., Yumimoto, K., Takemura, T., Shimizu, A., Sugimoto, N., and Liu, Z., Atmospheric Chemistry and Physics, May 14, 2009 (Vol. 9, No. 9)

  4. Prevalence of Extended Reconnection X-Lines in the Solar Wind at 1 AU, Phan, T. D., J. T. Gosling, and M. S. Davis, Geophysical Research Letters, May 14, 2009 (Vol. 36, L09108, doi:10.1029/2009GL037713)

  5. Stratospheric Ozone During the Last Glacial Maximum, Rind, D., J. Lerner, C. McLinden, and J. Perlwitz, Geophysical Research Letters, May 14, 2009 (Vol. 36, L09712, doi:10.1029/2009GL037617)

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Headlines

  1. Tracking Alien Species with Smart Phones
    August 3

    New smart-phone applications may enable the public to help scientists monitor invasive species and collect data in a fraction of the time it normally takes. (National Geographic News) more...

  2. Uncertainties Surround Future Monsoons
    July 31

    Almost halfway through the rainy season, the monsoon in many parts of South Asia continues to remain unreliable, leading to the question of whether climate change is to blame. (BBC News) more...

  3. Sahara Desert Greening Due to Climate Change?
    July 31

    Vast swaths of North Africa are growing lusher, new satellite images show, suggesting a possible boon for people living in the driest part of the continent. (National Geographic News) more...

  4. Drilling Deep into an Ocean Fault
    July 31

    For the first time, researchers have been able to drill deep (more than 1,600 meters) into an ocean fault zone. (Scientific American) more...

  5. Jellyfish Help to Stir the Ocean
    July 30

    Jellyfish help to stir up the ocean as they move, according to researchers who used a green dye to show how the animals' umbrella-shaped bodies were a key factor in this mixing. (BBC News) more...

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Media Alerts

  1. Large Trees Declining in Yosemite July 29

    Large trees have declined in Yosemite National Park during the 20th century, and warmer climate conditions may play a role. (United States Geological Survey press release)

  2. Douglas-Fir, Geoducks Make Strange Bedfellows in Studying Climate Change July 29

    Scientists are comparing annual growth rings of the Pacific Northwest's largest bivalve and its most iconic tree for clues to how living organisms may have responded to changes in climate. (Oregon State University press release)

  3. Scientists Discover Amazon River is 11 Million Years Old July 29

    Researchers at the University of Liverpool have discovered that the Amazon River, and its transcontinental drainage, is around 11 million years old and took its present shape about 2.4 million years ago. (University of Liverpool press release)

  4. Wildfires Set to Increase 50 Percent by 2050 July 28

    The area of forest burnt by wildfires in the United States is set to increase by over 50 percent by 2050, according to research by climate scientists. (University of Leeds press release)

  5. Smaller Than Expected, but Severe, Dead Zone in Gulf of Mexico July 27

    Scientists found the size of this year's Gulf of Mexico dead zone to be smaller than forecasted, measuring 3,000 square miles, however the dead zone was severe where it did occur. (NOAA Headquarters press release)

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