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

Excerpts from a scientist’s emails home to family provide a glimpse of what life was like on one of the world’s most northern scientific outposts in the world. Researchers trekked to Alaska’s Valley ...

Last blog post of for this field season, as Olivia mentioned in her science post, we were able to collect an important amount of high-quality data to further our knowledge of firn aquifers and try to ...

Left unperturbed, the fast and slow carbon cycles maintain a relatively steady concentration of carbon in the atmosphere, land, plants, and ocean. But when anything changes the amount of carbon in one ...

Welcome, teachers, to Mission: Biomes! This site was designed for teachers to use in classrooms as a supplementary, interdisciplinary unit. Mission: Biomes is especially appropriate for grades 3 ...

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 ...

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 ...

Researchers aren’t just interested in land surface heating for the trivia. Land surface temperatures are directly related to human development of the land. “The hottest temperatures were observed at ...

All matter in the universe that has a temperature above absolute zero (the temperature at which all atomic or molecular motion stops) radiates energy across a range of wavelengths in the ...

Though there are many possible combinations of wavelength bands, the Earth Observatory typically selects one of four combinations based on the event or feature we want to illustrate. For instance, ...

According to Esaias, the changes aren’t just dramatic, they’re also kind of scary. The fertility of most flowering plants, including nearly all fruits and vegetables, depends on animal-mediated ...

Dating back to A.D. 870, intermittent records assembled by the Vikings record the number of weeks per year that ice occurred along the north coast of Iceland. Other, scattered records of Arctic sea ...