There's a particular kind of dread that comes from looking at a map of the world and realizing it no longer looks quite like ...

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 recent years, scientists have shown that detecting changes in navigation signals from GPS and Galileo after they bounce off Earth’s surface (GNSS reflectometry, or GNSS-R) can deliver valuable ...

The speed at which glaciers move changes predictably each year, according to the first-ever global map of how glacier and ice sheet speeds vary with the seasons. Knowing this yearly rhythm could help ...

Global sea levels may rise faster than previously expected, suggests a new study in Nature Communications. The reason is that ...

In 2026, the Arctic winter sea-ice extent (annual maximum extent ,note 1) reached the lowest value since satellite ...

For most of us, Antarctica is a frozen white desert that is mysterious, remote and almost unfathomably cold. However, a groundbreaking new scientific map, published in Science in January 2026, is now ...

Global sea levels may rise faster than previously expected, a new study suggests. The reason is that warming oceans appear to be melting Antarctic ice shelves from below much more rapidly than ...