Painting Pennsylvania Hills
Image of the Day Nov 28, 2020

Painting Pennsylvania Hills

The region of rolling hills and valleys is part of a geologic formation known as the Ridge and Valley Province that stretches from New York to Alabama.
A Sliver of Mexico’s “Mother Mountain Range”
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A Sliver of Mexico’s “Mother Mountain Range”

The Sierra Madre Oriental is part of a chain that stretches across three continents.

Published Nov 27, 2020

Image of the Day Land Human Presence

Dust Over Seas
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Dust Over Seas

A plume of mineral-rich dust filled the skies over Cyprus and the Mediterranean on a summer’s day.

Published Nov 26, 2020

Image of the Day Atmosphere Land

Gati Makes Historic Landfall in Somalia
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Gati Makes Historic Landfall in Somalia

Cyclone Gati became the strongest storm to hit the country on record, bringing more than a year’s worth of rain in two days.

Published Nov 25, 2020

Image of the Day Atmosphere Land Life

Sea Level Watcher Takes Flight
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Sea Level Watcher Takes Flight

Sentinel-6 Michael Freilich will extend a nearly 30-year continuous dataset on sea surface height.

Published Nov 24, 2020

Image of the Day Atmosphere Land Human Presence Remote Sensing

Lituya Bay’s Apocalyptic Wave
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Lituya Bay’s Apocalyptic Wave

One of the tallest tsunami waves known to science slammed this Alaskan bay in 1958.

Published Nov 23, 2020

Image of the Day Land Water Remote Sensing

African Dust Plume Blankets the Caribbean
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African Dust Plume Blankets the Caribbean

A towering thunder cloud stands at the intersection of moist tropical air and dry, dusty plumes.

Published Nov 22, 2020

Image of the Day Atmosphere

Tremendous Tides in Broad Sound
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Tremendous Tides in Broad Sound

Tidal swings here are greater than at any other place on the east coast of Australia.

Published Nov 21, 2020

Image of the Day Water

Flooding in Northern Luzon
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Flooding in Northern Luzon

In the wake of three typhoons within a month, the Philippines provinces of Cagayan and Isabela have seen some of their worst flooding in decades.

Published Nov 19, 2020

Image of the Day Land Water Severe Storms Human Presence

Mapping Landslide Hazards in Central America
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Mapping Landslide Hazards in Central America

After severe hurricanes dropped torrential rain on Guatemala, Nicaragua, and other countries, NASA researchers worked to map potential landslide hazards.

Published Nov 18, 2020

Image of the Day Land Severe Storms Human Presence Remote Sensing

A Busy Season for Crop Fires in Northwestern India
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A Busy Season for Crop Fires in Northwestern India

Burning leftover straw after the rice harvest has once again blanketed the region with smoke.

Published Nov 17, 2020

Image of the Day Land Fires Human Presence

The Chesapeake Bay Watershed: Still Cloudy, With a Chance of Clearing
Article

The Chesapeake Bay Watershed: Still Cloudy, With a Chance of Clearing

It is the largest estuary in the United States and third largest in the world. Once sculpted and changed by ice, water, and powerful geologic forces over tens of millions of years, today's Bay is shaped by human forces as well.

Published Dec 1, 2016

Land Water Human Presence Remote Sensing

Dangerous Hurricane Iota Sets Late-Season Records
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Dangerous Hurricane Iota Sets Late-Season Records

Before 2020, only four category 4 or 5 hurricanes had ever made landfall in Nicaragua. Now two are going to land in just two weeks.

Published Nov 16, 2020

Image of the Day Heat Land Water Severe Storms Human Presence Remote Sensing

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

Vegetation
Global Maps Mar 2000 — Oct 2020

Vegetation

Greenness is an important indicator of health for forests, grasslands, and farms. The greenness of a landscape, or vegetation index, depends on the number and type of plants, how leafy they are, and how healthy they are.

Land Life

Iceberg A-68A Nears South Georgia
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Iceberg A-68A Nears South Georgia

Scientists watch as A-68A, currently the planet’s largest iceberg, approaches a remote island in the southern Atlantic Ocean.

Published Nov 16, 2020

Image of the Day Snow and Ice

Water Vapor
Global Maps Jul 2002 — Oct 2020

Water Vapor

These maps show the average amount of water vapor in a column of atmosphere by month. Water vapor is the key precursor for rain and snow and one of the most important greenhouse gases in the atmosphere.

Atmosphere

Aerosol Optical Depth
Global Maps Mar 2000 — Oct 2020

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

Shedding Light on Greenland
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Shedding Light on Greenland

Nature’s beauty overtook science for an evening.

Published Nov 15, 2020

Image of the Day Land Snow and Ice

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

Three More Years: CYGNSS Completes Its First Senior Review
Notes from the Field

Three More Years: CYGNSS Completes Its First Senior Review

The satellite constellation has been approved to continue science operations through 2023.

Published Nov 9, 2020 in Notes From the Field

EO November 2020 Puzzler
Earth Matters

EO November 2020 Puzzler

Every month we offer a puzzling satellite image. Your challenge is to tell us what we are looking at, where it is, and why it is interesting.

Published Nov 3, 2020 in Earth Matters

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

A Closer Look at Fire Types in Bolivia
Earth Matters

A Closer Look at Fire Types in Bolivia

Not all of the fires satellites detect in the Amazon are of equal ecological significance.

Published Oct 30, 2020 in Earth Matters

Heat Land

Picturing Earth: Astronaut Photography In Focus
Article

Picturing Earth: Astronaut Photography In Focus

For 20 years, astronauts have been shooting photos of Earth from the space station. Like everything the astronauts do, they are trained for this job. And like everything they do, there is purpose and intention behind it.

Published Oct 20, 2020

Human Presence Remote Sensing Videos

Could COVID-19 Have Seasons? Searching for Signals in Earth Data
Article

Could COVID-19 Have Seasons? Searching for Signals in Earth Data

A race is on to figure out whether COVID-19 will wax and wane with the seasons. Atmospheric and hydrologic models produced by NASA and other institutions may be key to that research.

Published Jul 14, 2020

Atmosphere Life Human Presence Remote Sensing

Of Mosquitoes and Models: Tracking Disease by Satellite
Article

Of Mosquitoes and Models: Tracking Disease by Satellite

A few decades ago, the idea of predicting a disease outbreak via satellite was science fiction. But today, researchers can use environmental data to predict when and where some diseases are likely to spread.

Published Jul 9, 2020

Life Human Presence Remote Sensing

Applied Sciences Collection
Article

Applied Sciences Collection

NASA satellites and sensors constantly take the pulse of our planet. Researchers apply those observations on local and regional scales to better manage things like food and water supplies, health, safety, land use, and ecosystems.

Published May 1, 2020

Human Presence Remote Sensing

Land Surface Temperature
Global Maps Feb 2000 — Oct 2020

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

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

Tournament Earth - Best of EO
Article

Tournament Earth - Best of EO

After five rounds and 56,000 votes, the readers have chosen their favorite. We have a Tournament Earth 2020 champion.

Published Apr 28, 2020

Human Presence Remote Sensing

Chlorophyll
Global Maps Jul 2002 — Oct 2020

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