Thirteen years ago, a satellite acquired this beautiful image (above) of light and sand playing off a portion of the ocean floor in the Bahamas. The caption that accompanied the image didn’t include ...

The Sun provides the energy that drives Earth’s climate, but not all of the energy that reaches the top of the atmosphere finds its way to the surface. That’s because aerosols—and clouds seeded by ...

What is the hottest volcano of them all? It depends on how you define “hottest,” but a fascinating new analysis crunches the numbers in a few different ways, using satellite observations of 95 of ...

A new fissure opened on the Reykjanes peninsula in southwestern Iceland near Grindavík in December 2023 and continued erupting throughout 2024. Whether sparked by lightning, intentional land-clearing, ...

A new fissure opened on the Reykjanes peninsula in southwestern Iceland near Grindavík in December 2023 and continued erupting throughout 2024. Whether sparked by lightning, intentional land-clearing, ...

We are still at South Pole Station. As we were finishing up the preparation of the sleds used on the 88S Traverse, we realized that we were missing a couple of fittings that pair our propane tank to 2 ...

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 ...

Air temperatures on Earth have been rising since the Industrial Revolution. While natural variability plays some part, the preponderance of evidence indicates that human activities—particularly ...

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 ...

In 1967 Hansen went to work for NASA’s Goddard Institute for Space Studies, in New York City, where he continued his research on planetary problems. Around 1970, some scientists suspected Earth was ...

Review the biomes. Now examine the set of temperature and precipitation graphs given below for each city. Be careful reading the scales on the graphs. Using the pull-down menus, select the correct ...

To plant or not to plant? That is the question! Bill Botanist has just received a collection of plant specimens in the mail. It is urgent that the specimens be planted as soon as possible because the ...