Radio signals sent between two Mars orbiters—rather than between an orbiter and an Earth-based receiver—capture new insights into atmospheric dynamics.
radar & radio
Posted inResearch Spotlights
Nudging Earth’s Ionosphere Helps Us Learn More About It
New observations and simulations capture the physics at play across each of the three main ionospheric regions.
Posted inThe Landslide Blog
Seismic analysis to understand the 13 February 2024 Çöpler Gold Mine Landslide, Erzincan, Türkiye
The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. On 13 February 2024, the enormous Çöpler Gold Mine Landslide occurred in Erzincan, Türkiye (Turkey), killing nine miners. This was the first of two massive and immensely damaging heap leach mine failures […]
Posted inNews
33.8 Million People in the United States Live on Sinking Land
The most populated cities in the country are slowly subsiding, posing risks to infrastructure and exacerbating flooding—and not just on the coasts.
Posted inNews
“Transformational” Satellite Will Monitor Earth’s Surface Changes
The mission, jointly operated by the United States and India, will measure minute changes to land, ice, and ecosystems around the globe.
Posted inNews
A New 3D Map Shows Precipitous Decline of Ugandan Glaciers
A team of dozens spent weeks in the Rwenzori Mountains capturing drone photography, GPS coordinates, and ground-penetrating radar data to document glacial retreat.
Posted inEditors' Highlights
Machine Learning Provides a New Perspective of Low-level Clouds
Low-level clouds over the oceans, extensively studied for their role in climate change, are re-examined from a new perspective that applies machine learning to radar observations.
Posted inNews
Buried Sediments Point to an Ancient Ocean on Mars
Ground-penetrating radar data collected by the Zhurong rover reveal gently sloping sediments in Mars’s northern lowlands that hint at a shoreline.
Posted inResearch Spotlights
Radar Reveals Electrical Activity in the Ionosphere
A new method could improve understanding of communication disruptions.
Posted inNews
Arctic Beavers Advance North and Accelerate Permafrost Thaw
As beavers build dams in new areas, they impound water, warming permafrost adjacent to their ponds.