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Patches of open water in the region contributed to low sea ice extent across the Arctic in March 2026, which tied with the lowest maximum observed in the satellite record.
A network of meltwater lakes and drainage channels made an Antarctic ice shelf known for its blue ice areas even bluer.
Description This image captured by U.S.-Indian Earth satellite NISAR on Nov. 10, 2025, shows Washington’s Mount Rainier. The image is cropped from a much larger swath spanning the Pacific Northwest on a cloudy day; NISAR’s L-band SAR instrument is able…
Description This image captured by U.S.-Indian Earth satellite NISAR on Nov. 10, 2025, shows Washington’s Mount St. Helens. The image is cropped from a much larger swath spanning the Pacific Northwest on a cloudy day; NISAR’s L-band SAR instrument is…
For the second consecutive year, winter sea ice in the Arctic reached a level that matches the lowest peak observed since satellite monitoring began in 1979. On March 15, Arctic sea ice extent reached 5.52 million square miles (14.29 million…
Temperatures in several states climbed over 100 degrees Fahrenheit in March 2026, which in some places was the highest March temperature on record.
Seattle and Portland, Oregon, are among the cloudiest cities in the United States. But that infamous cloud cover is no match for the U.S.-Indian Earth satellite NISAR (NASA-ISRO Synthetic Aperture Radar), which is designed to peer straight through clouds. Doing…
A new data visualization illustrates how an experimental NASA technology can provide extra lead time to communities in the path of a tsunami. Called GUARDIAN (GNSS Upper Atmospheric Real-time Disaster Information and Alert Network), the software detects slight distortions in…
The bigger the hailstone, the more damage it can cause. But scientists find that predicting hailstone size can be challenging. How quickly does hail melt as it falls?
Ireland is best known for its many greens, but the striking grays of the island's Burren region also stand out in satellite images.