Audio is not provided for this article. In recent years, researchers have shown that variations in GPS and Galileo signals after they reflect off Earth’s surface—an approach known as GNSS ...

In 2026, the Arctic winter sea-ice extent (annual maximum extent) reached the lowest value since satellite observations began in 1979, following the previous record low in March 2025. As part of the ...

This year's Arctic sea ice peak is the lowest in the 47-year satellite record, according to data released by the US National Snow and Ice Data Center (NSIDC) on Thursday, as Earth continues to swelter ...

On a flat map, Greenland looks like a lonely white expanse at the top of the world. On the right projections, it jumps out as the hinge between North America, Europe and the Arctic Ocean, a place ...

Polar sea ice has reached record, and near-record, lows for this time of year, pushing the pace of global warming and alarming scientists. The just declared 2025 Arctic sea ice extent winter maximum ...

Vital Arctic sea ice shrank to tie its lowest measured level for the winter, the season when ice grows, as a warming Earth shattered records across the continents. Subscribe to read this story ad-free ...

Something alarming is happening at the top of the world. Polar bears, long regarded as the living symbol of a warming planet, are getting physically smaller. Their bodies are lighter, their cubs are ...