Blast From the Past: A Modern Lake in an Ancient Crater Famously visible from space, ring-shaped Manicouagan Lake was filled at the dawn of the Space Age when Canada dammed a river to flood a Triassic ...

Global Patterns and Cycles Differences from place to place Phytoplankton thrive along coastlines and continental shelves, along the equator in the Pacific and Atlantic Oceans, and in high-latitude ...

A string of dry years shriveled vegetation in Africa's Sahel, causing some to fear that the Sahara Desert was shifting south. Satellite data spanning more than twenty years now shows that the Sahel is ...

After ten years of operation, ALI has proven that the push-broom technology is stable and reliable enough that the next Landsat satellite, the Landsat Data Continuity Mission, uses the same design.

Welcome Goals Outcomes Next Generation Science Standards (NGSS) How to Navigate this Site (for Beginners) General Tips Missions Answer Sheets Extension Ideas for Biomes Related Literature/Media ...

The Earth Observatory’s mission is to share with the public the images, stories, and discoveries about the environment, Earth systems, and climate that emerge from NASA research, including its ...

Since the 1970s, Arctic sea ice has been melting at the rate of 9 percent per decade. NASA researcher Josefino Comiso points to an accelerating warming trend as a primary cause and discusses how ...

Even after the monsoon rains subsided, waters retreated much more slowly than they had advanced. Months after the rains stopped, crops, homes, businesses, and entire towns were still submerged. In ...

Landsat measures the energy reflected and emitted from Earth at many different wavelengths. By knowing how features on Earth reflect or absorb energy at certain wavelengths, scientists can map and ...

Image Western Mountain Snow Melts Fast and Early A warm and dry spring in the Pacific Northwest quickly depleted the seasonal snowpack, raising concern over summer water supplies and wildland fire ...

Updated Oct 19, 2019 World of Change: Antarctic Ozone Hole In the early 1980s, scientists began to realize that CFCs were creating a thin spot—a hole—in the ozone layer over Antarctica every spring.

Born in Boston, Massachusetts, on March 23, 1923, Joanne Gerould did not have an ideal childhood. Watching her mother struggle through a bad marriage and subsequent divorce gave Simpson a strong drive ...