Earth has experienced climate change in the past without help from humanity. We know about past climates because of evidence left in tree rings, layers of ice in glaciers, ocean sediments, coral reefs ...

Since its launch in February 2013, Landsat 8 has collected about 400 scenes of the Earth’s surface per day. Each of these scenes covers an area of about 185 by 185 kilometers (115 by 115 miles)—34,200 ...

Among the mysteries of the South American Monsoon, explains Fu, is how the first thunderstorms of the wet season get started. A monsoon is an atmospheric see-saw in which the large-scale circulation ...

Every month on Earth Matters, we offer a puzzling satellite image. The November 2024 puzzler is shown above. Your challenge is to use the comments section to tell us where it is, what we are looking ...

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 ...

Recognizing that different people and businesses treat their lawns differently, she had a computer simulate the effect on the water cycle and carbon cycle of different lawn management techniques. The ...

Arctic moss is found in freezing temperatures and can survive very strong winds. The moss grows underwater or very low to the ground and can store energy to survive the freezing cold.

Desertification. The word invokes images of sand dunes blowing over abandoned farms as some irresistible, dark force steadily transforms fertile fields into inhospitable wasteland. The United Nations’ ...

The total change in TSI over the 11-year cycle is believed to be 0.1 percent of the Sun’s total energy on a yearly average. Individual sunspot events are very accurately reproduced in independent TSI ...

Born in Boston, Massachusetts, on March 23, 1923, Joanne Gerould did not have an ideal childhood. Watching her mother struggle through a bad marriage and subsequent divorce gave Simpson a strong drive ...

When scientists started to analyze the paleoclimate evidence in the Greenland and Antarctic ice cores, they found that the record also supported Milankovitch’s theory of when ice ages should occur.

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 ...