Every spring, migratory birds like the Black-throated Blue Warbler journey from tropical Caribbean or South American refuges to North American forests. But which forest patch
Every year, hurricanes and droughts wreak havoc on human lives and property around the world. And according to a pair of new NASA-funded studies, migratory
NASA researchers studying urban landscapes have found that the intensity of the “heat island” created by a city depends on the ecosystem it replaced and
by: Gretchen Cook-Anderson, NASA Earth Science News Team Impoverished fishermen along the coast of tropical African countries like Mozambique and Madagascar may have only a
Most glaciers in every mountain range and island group in Alaska are experiencing significant retreat, thinning or stagnation, especially glaciers at lower elevations, according to
Horticultural crops account for almost 50% of crop sales in the United States, and these crops are carefully managed to ensure good quality. But more
A new set of vegetation maps for five islands of the Caribbean Lesser Antilles, including Grenada, St. Kitts, Nevis, St. Eustatius and Barbados, appear in
The Delaware Geological Survey (DGS) at the University of Delaware has released a new technical report that identifies locations of groundwater discharge to estuaries and
With the help of Landsat and MODIS data, a research team has estimated that Hurricane Katrina killed or severely damaged 320 million large trees in
Agricultural expansion rather than shrimp farming is the major factor responsible for the destruction of tropical mangrove forests in the tsunami-impacted regions of Indonesia, Malaysia,
In a world newly awash with geospatial information, only Landsat offers a rich archive of global mid-resolution, highly calibrated, multispectral data of Earth’s landmasses. To
A rare bird has been flying over the Great Lakes recently, and it isn’t migrating or searching for prey. This hawkeyed species is a Learjet
For the first time, scientists have used satellite images to demonstrate a link between rapid city growth and rainfall patterns, as well as to assess
An article by U.S. Geological Survey (USGS) scientists on documentation of coastal land loss, lake expansion and drainage in Alaska from 1955–2005 was recently published
Some call it the eighth wonder of world. Others say it’s the next Great Wall of China. Upon completion in 2009, the Three Gorges Dam
Though the dense humid forests of Central Africa have been regarded as among the most pristine on Earth, the expansion of industrial logging and the
A recently released study provides evidence that social dictums influence the stability of tropical dry forests more than proximate population density. Often, it is assumed
Researchers at the Boston University Center for Remote Sensing used recently acquired topographic data from satellites to reveal a now dry, ancient mega-lake in the
Researchers from NASA and the U.S. Geological Survey (USGS), Golden, Colo., have woven together more than a thousand images from the Landsat 7 satellite to
In support of the International Polar Year (2007-2008), the new Landsat Image Mosaic of Antarctica (LIMA) brings the coldest place on Earth alive with a
A first-of-its kind analysis of fifty years of remotely sensed imagery from the 1950s to 2002 shows a dramatic reduction in the size and number
A new peer-reviewed analysis of land change data from the U.S. Geological Survey’s National Wetlands Research Center indicates that 217 square miles of Louisiana’s coastal
A NASA-funded study has discovered an important indicator of rain forest vulnerability to clear-cutting in Brazil. This five-year study is the first to quantify the
Investigating the Influence of Land Cover Changes on Regional Weather and Climate Variability Land cover datasets derived from 1992-93 Landsat TM played a key role
In this article, glaciologist Dr. Robert Bindschadler describes his use of Landsat data to study Antarctica. “The most impressive aspect of Antarctica is its shear
Not long ago, people searching for coral reefs traveled by boat or plane, and relied on notes from captains who spotted them on voyages in
Carbon dioxide and methane are both greenhouse gases that trap solar energy within the Earth’s atmosphere. Increases in the concentration of these gases since the
