In early March 2017, we featured the top image as our monthly satellite puzzler and as an Image of the Day. But sometimes we learn even more about an image after we publish, as people write to us with ...

Update on March 19, 2025: This Landsat image shows fields in southern Poland that have taken on ribbon-like shapes after generations of land division. Congratulations to Annie Burgess for being the ...

Your challenge is to tell us the location of the satellite image and why it is interesting.

Australia is no stranger to fires, floods, drought, and heat. But a new report from the Australian Climate Commission not only points out that fire hazards and extreme weather events are worsening, it ...

Weather: Smoky and in the 70s F (20s C) all day. Our first day of camp found me waking up on Steph Woodworth’s couch. Steph is the Project Director for Northern Youth Leadership (NYL), a nonprofit ...

× This page contains archived content and is no longer being updated. At the time of publication, it represented the best available science. Before widespread human settlement began to encroach on the ...

Throughout its long history, Earth has warmed and cooled time and again. Climate has changed when the planet received more or less sunlight due to subtle shifts in its orbit, as the atmosphere or ...

Examine the set of graphs below for a given city. Read carefully the temperature and precipitation scales on the graphs. Review the biome information. Two biome choices are given for each set of ...

The time it takes carbon to move through the fast carbon cycle is measured in a lifespan. The fast carbon cycle is largely the movement of carbon through life forms on Earth, or the biosphere. Between ...

The most valuable fossils found in sediment cores are from tiny animals with a calcium carbonate shell, called foraminifera. One species of foraminifera lives in the icy waters of the Arctic above ...

Geo Grapher, an Earth Scientist, has misplaced her notes. Unfortunately, she was in the middle of a very important task. She was analyzing climographs showing temperature and precipitation over time ...

Sea surface temperatures have a large influence on climate and weather. For example, every 3 to 7 years a wide swath of the Pacific Ocean along the equator warms by 2 to 3 degrees Celsius. This ...