Two doughnut-shaped regions of high-energy particles make up the Van Allen radiation belts. Scientists discovered that very low frequency radio transmissions from Earth may help to create an ...
Rainfall can wash topsoil from farm fields, a process that more extreme rainfall events will accelerate. Credit: John/Flickr, CC BY-SA 2.0 Good topsoil does not accumulate quickly. Less than a tenth ...
Astronomer Johann Caspar Staudacher sketched these sunspot drawings of long-lasting extreme magnetic storm activity in 1770. Credit: Hayakawa et al., 2017, https ...
High water levels can cause swift currents that make shipping barges difficult to maneuver and can overwhelm lock and dam systems. Such conditions have become more common since 1960, according to a ...
Landslides on the southern side of Lake Takengon in Sumatra triggered by the November 2025 rains. Image copyright Planet Labs, used with permission, collected on 30 November 2025. The Landslide Blog ...
Rock glaciers are debris landforms found in many mountain ranges on Earth. They represent the movement of permanently frozen ground over long periods of time and can be used to understand how climate ...
The Bering Land Bridge National Preserve, on the Bering Peninsula in Alaska, is currently above sea level. Credit: Bering Land Bridge National Preserve, Flickr, CC BY 2.0 Today the Bering Strait is a ...
Pilots prepare to fly microbial sampling systems into smoke from high-intensity crown fires in Utah’s Fishlake National Forest. Credit: Krista Bonfantine, University of Idaho Extreme wildfire events ...
The ocean has helped mitigate global warming by absorbing around a quarter of anthropogenic carbon dioxide (CO 2) emissions, along with more than 90% of the excess heat those emissions generate. This ...
Simulated image showing gigantic streams of helium escaping from the atmosphere of planet HAT-P-32b as it orbits its host star. Credit: M. MacLeod (Harvard-Smithsonian Center for Astrophysics) and A.
NASA’s MAVEN spacecraft, seen here in an artist’s concept, has been orbiting Mars since 2014. Credit: NASA/GSFC Mars’s current atmosphere is downright tenuous—conferring less than 1% the pressure of ...
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