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 ...

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 ...

WASHINGTON (AP) — 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. The shrinking ...

This is read by an automated voice. Please report any issues or inconsistencies here. Vital Arctic sea ice shrank to tie its lowest measured level for the winter, the season when ice grows, as a ...