Every month on Earth Matters, we offer a puzzling satellite image. The December 2021 puzzler is shown above. Your challenge is to use the comments section to tell us where it is, what we are looking ...

Byrd Station (Antarctica), 10 December — The traverse team is preparing to leave and quite honestly, I am starting to get sad that I will not be going with them. We have all spent a lot of time ...

NASA satellites and sensors constantly take the pulse of our planet, measuring how Earth changes by the day, season, year, and decade. Researchers and resource managers analyze those measurements and ...

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

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

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.

Watson’s own study of the Australian zircons supports the idea of a cooler, wetter Hadean. Several years ago, Watson and the students working in his lab began work on a titanium “thermometer”—an ...

The water, or hydrologic, cycle describes the pilgrimage of water as water molecules make their way from the Earth’s surface to the atmosphere and back again, in some cases to below the surface. This ...

Variations in TSI are due to a balance between decreases caused by sunspots and increases caused by bright areas called faculae which surround sunspots. Sunspots are dark blotches on the Sun in which ...

Pine trees (genus Pinus) are evergreen, conifers (they produce cones that encase reproduction seeds) and can be found throughout the world, but they are native to northern temperate regions. There are ...

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’ ...