Dramatic Changes at Hunga Tonga-Hunga Ha‘apai
Image of the Day Jan 24, 2022

Dramatic Changes at Hunga Tonga-Hunga Ha‘apai

NASA scientists have been closely watching the evolution of the volcanic island near Tonga since 2015.
Winter on the Roof of the World
Image

Winter on the Roof of the World

With an average elevation of 4500 meters above sea level, the Qinghai-Tibet Plateau is one of Earth’s highest geographic features.

Published Jan 23, 2022

Image of the Day Land

Guishan Island
Image

Guishan Island

The island off the northeast coast of Taiwan is surrounded by dozens of hydrothermal vents.

Published Jan 22, 2022

Image of the Day Land

Ice Age Canadian Lakes
Image

Ice Age Canadian Lakes

The lakes, wetlands, and glacial landscape of Manitoba were shaped by glaciers and ice sheets.

Published Jan 21, 2022

Image of the Day Water

Interning at 40,000 Feet: The NASA Student Airborne Research Program Experience
Notes from the Field

Interning at 40,000 Feet: The NASA Student Airborne Research Program Experience

For students who want to take atmospheric science as literally as possible, it doesn’t get much better than flying in a NASA aircraft.

Published Jan 20, 2022

Atmosphere

Dust Storm Engulfs Canary Islands
Image

Dust Storm Engulfs Canary Islands

The event, known locally as “la calima,” turned skies orange and degraded air quality in Gran Canaria and neighboring islands.

Published Jan 20, 2022

Image of the Day Atmosphere Land

Two Decades of Change at Toshka Lakes
Image

Two Decades of Change at Toshka Lakes

The rise and fall of these basins depend on fluctuations in the flow of the Nile River.

Published Jan 18, 2022

Image of the Day Land Water

Great Lakes Cloud Streets
Image

Great Lakes Cloud Streets

Winter winds can create long, thin cloud bands that stretch hundreds of kilometers across the sky.

Published Jan 17, 2022

Image of the Day Atmosphere Water Snow and Ice Remote Sensing

Southern Hemisphere Scorchers
Image

Southern Hemisphere Scorchers

A summer heatwave knocked out power in Argentina, while heat in Western Australia likely tied the hottest temperature ever measured south of the equator.

Published Jan 14, 2022

Image of the Day Land Drought Fires Floods Severe Storms Temperature Extremes

Land Surface Temperature
Global Maps Feb 2000 — Nov 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

Cloud Challenge 2022
Earth Matters

Cloud Challenge 2022

The public is invited to help NASA investigate clouds during this GLOBE program challenge.

Published Jan 14, 2022

Climate Indicators

2021 Continued Earth’s Warming Trend
Image

2021 Continued Earth’s Warming Trend

The past eight years have been the warmest in the global record.

Published Jan 14, 2022

Image of the Day Atmosphere Heat Land Water Human Presence Remote Sensing

Flash Floods Swamp Iran
Image

Flash Floods Swamp Iran

After months of severe drought, a burst of rain is causing problems.

Published Jan 13, 2022

Image of the Day Land Water Drought Floods Severe Storms Remote Sensing Temperature Extremes

Red Tide off Rio
Image

Red Tide off Rio

A dark, rainy spring gave way to a vast, long-lived phytoplankton bloom off the coast of Brazil.

Published Jan 12, 2022

Image of the Day Water Water Color

Everest-Area Plant Life Spreads
Image

Everest-Area Plant Life Spreads

Increasing vegetation in the Himalaya may have implications for water supplies.

Published Jan 12, 2022

Image of the Day Land Snow and Ice Remote Sensing

Chlorophyll
Global Maps Jul 2002 — Oct 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 View of Vesuvius
Image

A View of Vesuvius

Clouds parted for a glimpse of one of the most dangerous volcanoes on Earth.

Published Jan 10, 2022

Image of the Day Atmosphere Land

Vegetation
Global Maps Mar 2000 — Nov 2021

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

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

Sea Surface Temperature
Global Maps Jul 2002 — Sep 2021

Sea Surface Temperature

Ocean temperatures can influence weather, such as hurricane formation, and climate patterns, such as El Niño. These maps show the temperature at the surface of the world’s seas and oceans.

Heat Water

NASA To Launch Four Earth Science Missions in 2022
Earth Matters

NASA To Launch Four Earth Science Missions in 2022

The new missions will examine fundamental climate systems and processes, including extreme storms, surface water and oceans, and atmospheric dust.

Published Dec 30, 2021

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

Falling for the Colors
Article

Falling for the Colors

As green chlorophyll fades from trees and plants each autumn, other pigments color the Earth’s landscapes. Satellites take leaf-peeping to a whole new level.

Published Oct 26, 2021

Land Life

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

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

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

Aerosol Optical Depth
Global Maps Mar 2000 — Nov 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

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

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

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