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Features

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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

 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

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Natural Hazards

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Image of the Day Smoke Blankets British ColumbiaJuly 5, 2015
Smoke Blankets British Columbia
Lake Fire Burn ScarJuly 3, 2015
Lake Fire Burn Scar
Image of the Day Canadian Wildfires Produce River of SmokeJune 29, 2015
Canadian Wildfires Produce River of Smoke
Lake Fire GrowsJune 25, 2015
Lake Fire Grows
Image of the Day Mid-Summer AurorasJune 24, 2015
Mid-Summer Auroras
Image of the Day Fire and Smoke in San Bernardino National ForestJune 20, 2015
Fire and Smoke in San Bernardino National Forest
Lake Fire, CaliforniaJune 18, 2015
Lake Fire, California
Tropical Storm BillJune 16, 2015
Tropical Storm Bill
Image of the Day Sockeye Fire in AlaskaJune 15, 2015
Sockeye Fire in Alaska
Image of the Day Eruption of Wolf Volcano ContinuesJune 11, 2015
Eruption of Wolf Volcano Continues
Fires near Lake MweruJune 10, 2015
Fires near Lake Mweru
Image of the Day Canadian Fires Send Smoke Over the U.S.June 9, 2015
Canadian Fires Send Smoke Over the U.S.
Image of the Day Cyclone Ashobaa over the Arabian SeaJune 9, 2015
Cyclone Ashobaa over the Arabian Sea
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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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