Silting the Cold Sea
Image of the Day Nov 29, 2021

Silting the Cold Sea

Greenland’s glaciers grind rock into a fine powder that discolors meltwater and often makes beautiful patterns as it mixes with seawater.
A Seasonal Emerald in the Sahel
Image

A Seasonal Emerald in the Sahel

The Inland Delta of the Niger River is one of the world’s most productive wetlands.

Published Nov 28, 2021

Image of the Day Land Water Remote Sensing

Indonesia’s Twin Peaks
Image

Indonesia’s Twin Peaks

Mount Sundoro and Mount Sumbing are symmetrical, cone-shaped peaks in Central Java.

Published Nov 27, 2021

Image of the Day Land

Namib Sand Sea
Image

Namib Sand Sea

The oldest desert on Earth also gives rise to some of the planet’s tallest dunes.

Published Nov 26, 2021

Image of the Day Land

Paleozoic Plymouths
Image

Paleozoic Plymouths

Plymouth, Massachusetts, and Plymouth, England, share a historical connection even older than the first Thanksgiving.

Published Nov 25, 2021

Image of the Day Land

Turkey’s Cotton Castle
Image

Turkey’s Cotton Castle

The hot springs at Pamukkale, Turkey, have produced the world’s largest deposit of travertine.

Published Nov 24, 2021

Image of the Day Land

A Rainforest Like No Other
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A Rainforest Like No Other

The Daintree region of Queensland, Australia, is home to one of the world’s oldest forests and hosts a vast range of unique species.

Published Nov 23, 2021

Image of the Day Land Life

Sediment Swirls Off the Yucatán
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Sediment Swirls Off the Yucatán

Suspended limestone offshore hints at a 66-million-year-old story.

Published Nov 22, 2021

Image of the Day Water

An Ice Tongue Reaching for Land
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An Ice Tongue Reaching for Land

Perito Moreno is one of the few glaciers on Earth that are not retreating.

Published Nov 21, 2021

Image of the Day Land Water Snow and Ice

Sea Ice off Cape Navarin
Image

Sea Ice off Cape Navarin

Wisps of sea ice have started to appear in the western Bering Sea amid cooler temperatures and shorter sunlit days.

Published Nov 20, 2021

Image of the Day Water Snow and Ice Remote Sensing

Aerosol Size
Global Maps Jan 2005 — Sep 2016

Aerosol Size

Sea salt, volcanic ash, dust, wildfire smoke, and industrial pollution are types of airborne aerosols. Natural aerosols tend to be larger than human-made aerosols. These maps show when and where aerosols come from nature, humans, or both.

Atmosphere

Sea Surface Temperature Anomaly
Global Maps Jun 2002 — Sep 2011

Sea Surface Temperature Anomaly

These maps depict how much hotter or cooler an ocean basin was compared to the long-term average. Temperature anomalies can indicate changes in ocean circulation or the arrival of patterns like El Niño and La Niña.

Heat Water

How to Interpret a Satellite Image: Five Tips and Strategies
Article

How to Interpret a Satellite Image: Five Tips and Strategies

What do you do when presented with a new satellite image? Here's what the Earth Observatory team does to understand the view.

Published Nov 18, 2013

Remote Sensing

A Shot of Smoke for Delhi
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A Shot of Smoke for Delhi

Smoke from crop fires in northern India blanketed the populous city and contributed to soaring levels of air pollution.

Published Nov 18, 2021

Image of the Day Human Presence

Study Traces Ammonia Pollution in Africa
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Study Traces Ammonia Pollution in Africa

Scientists used satellites to parse where and how agriculture is changing atmospheric concentrations of the chemical.

Published Nov 17, 2021

Image of the Day Atmosphere Land Human Presence Remote Sensing

Aerosol Optical Depth
Global Maps Mar 2000 — Oct 2021

Aerosol Optical Depth

Airborne aerosols can cause or prevent cloud formation and harm human health. These maps depict aerosol concentrations in the air based on how the tiny particles reflect or absorb visible and infrared light.

Atmosphere

World of Change
Article

World of Change

NASA satellites document how our world—forests, oceans, human landscapes, even the Sun—changes over months, seasons, and years.

Published Apr 29, 2009

Atmosphere Heat Land Life Human Presence Snow and Ice

November Puzzler
Earth Matters

November Puzzler

Your challenge is to tell us what we are looking at, where it is, and why it is interesting.

Published Nov 16, 2021

Blue Marble Next Generation
Article

Blue Marble Next Generation

12 months of high-resolution global true color satellite imagery.

Published Oct 13, 2005

Atmosphere Land Water Snow and Ice

Net Primary Productivity
Global Maps Feb 2000 — Nov 2016

Net Primary Productivity

These maps show the ‘metabolism” of Earth’s plants and trees. Net primary productivity is the difference between the amount of carbon dioxide absorbed during photosynthesis minus the amount released by respiration.

Land Life

Burst of New Evidence for Viking Travels
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Burst of New Evidence for Viking Travels

Novel geochemical dating techniques show that Norse people were in L'Anse aux Meadows exactly 1,000 years ago.

Published Nov 16, 2021

Image of the Day Human Presence

Land Surface Temperature
Global Maps Feb 2000 — Oct 2021

Land Surface Temperature

Land surface temperatures rise and fall with the heat of the Sun, and they represent how hot or cold the surface would feel to touch. These maps show daytime land temperatures as measured from space.

Heat Land

Mission: Biomes
Article

Mission: Biomes

Have you ever wondered what it would be like to live in a different part of the world? What would the weather be like? What kinds of animals would you see? Which plants live there? By investigating these questions, you are learning about biomes.

Published Aug 28, 2020

Land Life

Tournament Earth: The Landsat Games
Article

Tournament Earth: The Landsat Games

50 Years. 9 million scenes. One champion.

Published Sep 7, 2021

Land Water Human Presence Snow and Ice Remote Sensing

Earth at Night
Article

Earth at Night

Satellite images of Earth at night have been a curiosity for the public and a tool of fundamental research for at least 25 years. They have provided a broad, beautiful picture, showing how humans have shaped the planet and lit up the darkness.

Published Apr 12, 2017

Atmosphere Land Human Presence Remote Sensing

NASA Earth Observatory Goes to the Beach
Article

NASA Earth Observatory Goes to the Beach

Summer is beach season in the northern hemisphere. But even if you're a regular at your local swimming hole, you probably haven't seen too many beaches from this perspective. See the satellite and space-station views of various shorelines from across the United States. No sunblock necessary.

Published Jul 22, 2021

Land Videos

Chlorophyll
Global Maps Jul 2002 — Sep 2021

Chlorophyll

Chlorophyll is used by algae and other phytoplankton--the grass of the sea--to convert sunlight and carbon dioxide into sugars. These maps show chlorophyll concentrations in the ocean, revealing where phytoplankton are thriving.

Life Water

A Celebration of Clouds: From Space, Earth Has an Elegant Atmosphere
Article

A Celebration of Clouds: From Space, Earth Has an Elegant Atmosphere

Clouds can be a nuisance when scientists are trying to observe features on Earth's surface. But at other times, clouds are exactly what they want to see. These images highlight some of the more unusual and beautiful clouds observed in recent years from space.

Published Jun 21, 2021

Atmosphere Remote Sensing

EO Explorer
Article

EO Explorer

Since 1999, Earth Observatory has published images and stories from all over our planet. Now you can explore more than 11,000 images in a different way: by location.

Published Jun 2, 2021

Land Water Remote Sensing

Earth — A Photo-Essay
Article

Earth — A Photo-Essay

NASA has a unique vantage point for observing the beauty and wonder of Earth and for making sense of it. The images in this book tell a story of a 4.5-billion-year-old planet where there is always something new to see.

Published Apr 28, 2021

Atmosphere Land Water Snow and Ice Remote Sensing