Stable auroral red (SAR) arcs and strong thermal emission velocity enhancement (STEVE) phenomena are optical structures that have been detected in the subauroral upper atmosphere. Whereas aurorae are ...

Sediment cores extracted from deep under the Aegean Sea reveal the timing of explosive eruptions of Kolumbo Volcano and a potential link to neighboring Santorini. Kolumbo is a little-known underwater ...

Climate change affects plants on the surface, the soil below, and interactions between them. Shown here is a soil profile from a grassland in Iceland. Credit: Fabrizzio Protti Sánchez Soil ecosystems ...

The ground beneath our feet is exhaling. Steadily and without pause, through a process called soil respiration, plant roots and microbes release carbon dioxide (CO 2) into the atmosphere. This ...

Geostationary satellites can collect frequent measurements of temperatures and other characteristics of Earth’s land surfaces, allowing them to detect rapid changes and disturbances. Land surface ...

The quality and quantity of springs around the world have been declining over recent decades, largely due to human activities and climate change. A new book in AGU’s Geophysical Monograph Series, ...

Editorial boards are the lifeblood of scholarly journals. Editors and associate editors are key decision makers that guide AGU Publications in publishing high-quality and rigorously done geoscience.

Time is of the essence in tropical cyclone prediction: The more warning time a community has, the better prepared its members will be when a storm makes landfall. Currently, the path and nature of ...

Climate records stored in marine sediments reveal different ice sheet and ocean responses to falling atmospheric CO 2 concentrations from the warm Pliocene to the ice ages of the Pleistocene. As ...

The Dragonfly probe flies over sand dunes on Saturn’s moon Titan in this artist’s impression. Credit: NASA/Johns Hopkins APL/Steve Gribben Strange things are afoot on Saturn’s largest moon. Alone ...

A team of medical professionals monitored the vital statistics of each buried participant during a new study of an avalanche safety device. Credit: Maurizio Gretter/Eurac Research A new medical study ...

Soil salinization refers to the excess accumulation of salt in soil to a level that affects crop production and ecosystem functioning. This poses serious threats to sustainable agriculture, soil ...