Warming decimates Antarctica's emperor penguin chicks

Helpless emperor penguin chicks perished at multiple breeding grounds in West Antarctica late last year, drowning or freezing to death when sea ice eroded by global warming gave way under their tiny feet, scientists said ...

Signals from the ionosphere could improve tsunami forecasts

New research from the University of Washington shows that signals from the upper atmosphere could improve tsunami forecasting, and someday, help track ash plumes and other impacts after a volcanic eruption.

Huge cavity in Antarctic glacier signals rapid decay

A gigantic cavity—two-thirds the area of Manhattan and almost 1,000 feet (300 meters) tall—growing at the bottom of Thwaites Glacier in West Antarctica is one of several disturbing discoveries reported in a new NASA-led ...

Image: Alert, Canada

This Sentinel-1 radar composite image takes us to the northeastern tip of Ellesmere Island (lower-left), where the Nares Strait opens up into the Lincoln Sea in the Canadian Arctic.

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