Image: ICESat-2 reveals profile of ice sheets

Less than three months into its mission, NASA's Ice, Cloud and land Elevation Satellite-2, or ICESat-2, is already exceeding scientists' expectations. The satellite is measuring the height of sea ice to within an inch, tracing ...

Triplefin fish found to have controlled iris radiance

A team of researchers with the University of Tübingen in Germany has found an example of a fish that is able to control light reflected from organs next to its pupils—a form of photolocation. In their paper published in ...

Unraveling a major cause of sea ice retreat in the Arctic Ocean

Ice-covered sea areas in the Arctic Ocean during summer have nearly halved since the 1970s and 1980s, raising alarm that the ocean is shifting from a multiyear to a seasonal ice zone. The Intergovernmental Panel on Climate ...

New technology to watch the sea in 3-D

Looking at waves in the open sea with 'electronic eyes', so as to reconstruct it in 3-D, scientists at Ca' Foscari University of Venice and the Institute of Marine Sciences of the National Research Council (Ismar-Cnr) found ...

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