Scientists used Landsat satellite images to detect both abrupt and gradual changes and to examine how phenomena, from storms to sea level rise, have reshaped coastal ecosystems.
Plumes choked Siberian skies as early-season wildland fires burned near a city in eastern Russia.
Much of the Goyder impact structure has eroded away, but there are remnants in Australia’s Northern Territory.
Published May 23, 2025Severe weather swept across the U.S. Midwest and Mid-Atlantic in May 2025, spawning destructive twisters in several states.
Published May 20, 2025NASA’s Jack Kaye enabled decades of Earth scientists, including those who are unveiling the atmospheric ties between New York City and its suburbs.
Published May 20, 2025Your challenge is to tell us the location of the satellite image and why it is interesting.
Published May 19, 2025
Roanoke, Virginia, is the largest city in the Blue Ridge Mountains and a stopover along a historic, scenic road.
Published May 18, 2025The Rwenzori Mountains in eastern Africa are renowned for their water resources and endemic plants and animals, but like elsewhere in the tropics, the glaciers are dwindling.
Published May 17, 2025Satellite images of the ancient city in Zanzibar highlight urbanization patterns and help researchers find new archaeological sites.
Published May 16, 2025Record heat and dry conditions helped stoke several large blazes in Manitoba, Ontario, and Minnesota.
Published May 14, 2025Snow and ice influence climate by reflecting sunlight back into space. When it melts, snow is a source of water for drinking and vegetation; too much snowmelt can lead to floods. These maps show average snow cover by month.
The Kuril Islands produced swirls of different sizes in passing clouds.
Published May 14, 2025When fuels such as coal, wood, and oil burn incompletely, they produce carbon monoxide. The gas is spread by winds and circulation. These maps show monthly averages of CO in the lower atmosphere.
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, 2017Chlorophyll 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.
Still early in the fire season, satellites in mid-May observed intense blazes and towering plumes of smoke.
Published May 12, 2025Researchers used NASA satellite data to detect swarms of red-tinged copepods, a key food source for the endangered marine mammals, in the Gulf of Maine.
Published May 12, 2025These maps depict anomalies in land surface temperatures (LSTs); that is, how much hotter or cooler a region was compared to the long-term average. LST anomalies can indicate heat waves or cold spells.
On a night with little to no moonlight, other sources of nighttime lights were on vivid display in parts of Burma, Thailand, and Laos.
Published May 11, 2025Hurricane season in the basin runs from June 1 to November 30.
Published Jul 1, 2024Land 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.
NASA satellites document how our world—forests, oceans, human landscapes, even the Sun—changes over months, seasons, and years.
Published Apr 29, 2009People have developed systems to harvest and store energy from sources such as wind, sunlight, and tidal action. Many of these installations are visible from orbit.
Published May 10, 2024These 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.
From ground-level ozone to particulate matter to nitrogen dioxide, an array of gasses and particles can affect the air people breathe, with implications for human health.
Published Apr 8, 2024Warmer-than-average temperatures are showing up locally and globally, with consequences for people, landscapes, and ecosystems.
Published Mar 26, 2024What 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, 201312 months of high-resolution global true color satellite imagery.
Published Oct 13, 2005Whether sparked by lightning, intentional land-clearing, or human-caused accidents, wildland fires are burning longer and more often in some areas as the world warms.
Published Feb 27, 2024Have 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, 2020Warmer-than-average temperatures are showing up locally and globally, with consequences for people, landscapes, and ecosystems.
Published Aug 15, 2023