Latest Features

World of Change: Development of Orlando, Florida

World of Change: Development of Orlando, Florida

Theme parks and other development has turned Central Florida from swampland to the most visited tourist region of the United States. Read more

CYGNSS: Gearing Up to Look Down on Hurricanes

CYGNSS: Gearing Up to Look Down on Hurricanes

When launched in 2016, the Cyclone Global Navigation Satellite System (CYGNSS) will be a constellation of eight micro-satellites that will make accurate measurements of ocean surface winds in order to better understand the lifecycle of tropical cyclones, typhoons and hurricanes. Read more

World of Change: Water Level in Lake Powell

World of Change: Water Level in Lake Powell

Combined with human demands, a multi-year drought in the Upper Colorado River Basin caused a dramatic drop in the Colorado River’s Lake Powell in the early part of the 2000s. The lake began to recover in the latter part of the decade, but as of 2015, it was still well below capacity. Read more

Archive IceBridge: Building a Record of Earth’s Changing Ice, One Flight at a Time

IceBridge: Building a Record of Earth’s Changing Ice, One Flight at a Time

NASA is sending a fleet of airplanes to the ends of the Earth for the next several years to figure out how and why polar ice is changing. Read more

2014 | 2016 2015

 Science in a Dark Freezer: A Tale of Icy Beards, Frozen Tools, and Wintering Over at the South Pole

Science in a Dark Freezer: A Tale of Icy Beards, Frozen Tools, and Wintering Over at the South Pole

NASA scientist Robert Benson was one of “eighteen crazy men and a dog” who set up the first permanent science base at the South Pole. Read more

Big Data Helps Scientists Dig Deeper

Big Data Helps Scientists Dig Deeper

Empowered by free access to the Landsat data archive, earth scientists are using new computing tools to ask questions that were impossible to answer a decade ago. From week-to-week fluctuations in forests to year-to-year changes in land cover, researchers can now examine our planet in much greater detail. Read more

Growing Deltas in Atchafalaya Bay

Growing Deltas in Atchafalaya Bay

While the sea overtakes much of the delta plain of the Mississippi River, sediment from the Atchafalaya River is building two new deltas to the west. Read more

Landsat Goes Over the Top: A Long View of the Arctic

Landsat Goes Over the Top: A Long View of the Arctic

Hitch a ride with Landsat 8 as it takes flight over the North Pole on the solstice. Read more

Notes from the Field: Soil Moisture Active Passive (SMAP) Launch

Notes from the Field: Soil Moisture Active Passive (SMAP) Launch

Knowledge of soil moisture is important for applications such as weather forecasting, crop monitoring, and flood prediction. For a global picture of this key parameter, NASA is launching the Soil Moisture Active Passive (SMAP) satellite. Read more

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World of Change

Satellite images showing how our world— forests, oceans, cities, even the Sun— has changed in recent decades.
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Blue Marble

Composite satellite images of the entire Earth.
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Earth at Night

The night side of Earth twinkles with light in these composite global and regional views.
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Experiments

Hands-on educational activities.
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Visible Earth

A catalog of NASA images and animations of our home planet.
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NASA Earth Observations

View, download, and analyze imagery of Earth science data.
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