Earth’s ionosphere becomes visible as faint bands of red and green glow in this long-exposure photograph taken from the International Space Station at night. The International Reference Ionosphere ...

Synthetic Aperture Radar (SAR) is a remote sensing technique used to observe Earth’s surface and has applications in military operations, scientific research, agriculture, and more. Compared to in ...

Magma is on the move beneath Yellowstone National Park’s Upper Geyser Basin in Wyoming and throughout the caldera but is unlikely to contribute to an eruption. Credit: Jim Peaco/NPS Magma deep beneath ...

Planet Labs satellite image of the aftermath of the heap leach landslide at the Eagle Gold Mine in the Yukon. Image copyright Planet Labs used with permission. Image dated 24 June 2024. The Landslide ...

Emperor penguins molt every summer, replacing all their feathers over the period of about a month. Credit: Peter Fretwell Peter Fretwell, a remote sensing scientist at the British Antarctic Survey, ...

The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. At about 2 pm local time on 13 February 2024, a large landslide ...

A sign at Point Joe near Pacific Grove, Calif., warns of the risk from tsunamis. Credit: Adam Fagen/Flickr, CC BY-NC-SA 2.0 The public has long been educated to respond to the threat of a tsunami by ...

Popocatépetl looms over central Mexico, but local perception of risk from the volcano varies depending on factors such as age, proximity, and life experience. Credit: Russ Bowling/Flickr, CC BY 2.0 If ...

Or in another common story, an early-career scientist reflects on the cost of their profession. They earned a degree, but they had to permanently relocate for school and the only career opportunities ...

Postcards from the Field are regularly featured on Eos.org. To share your work in the field, laboratory, office, or anywhere else with Eos readers around the world, please visit the submissions page.

Seventy-five years ago, on 18–19 September 1941, the Earth experienced a great magnetic storm, one of the most intense ever recorded. It arrived at a poignant moment in history, when radio and ...

Tropical forests are biodiversity hot spots; preserving them is a crucial part of global efforts to mitigate the effects of climate change. When these verdant ecosystems are destroyed, they release ...