Remote Sensing

The Global Mangrove Watch project has released a reprocessed 40-year map of the world's mangrove forests. It puts worldwide mangrove cover at a net gain of 47,720 hectares between 1985 and 2025, and…

Salt marsh area along China's coast has grown on net in recent decades, and the organic carbon held in the topsoil under those marshes rose overall with it, according to a national mapping study…

On 28 May 2025, a mountainside above the Lötschental valley in southern Switzerland gave way. Rock had been loading onto the Birchgletscher for years; when the glacier finally failed, roughly 9.57…

Ask how long it takes a rainforest to grow back and the honest answer has always been slippery. You can count the trees. You can weigh the carbon. But a mature tropical forest is not just a stand of…

Mount Etna's eruptive episode of July 30 to Aug. 2 has ended, Italy's Istituto Nazionale di Geofisica e Vulcanologia said in an account published Aug. 3. Personnel from its Osservatorio Etneo carried…

The Associated Press reports that South Korea's Danuri orbiter has photographed the patch of the Moon where a derelict SpaceX Falcon 9 upper stage crashed on 5 August, returning images of the same…

A soil-protection law is easy to pass and hard to grade. A parliament can require crop rotation, subsidize farmers who leave wildflower strips at the edges of their fields, or mandate ground cover to…

Give the same aerial imagery to two dozen geologists, ask them all to trace the active faults, and you might expect the answers to converge, especially the ones from decades-hardened professionals.…

For two decades, the story of Europe's air has been one of slow, hard-won improvement. Cleaner engines, tighter industrial rules, and the retreat of coal have pulled soot and sulphur down year after…

Every step you take sends a small pulse of energy into the ground. It is far too weak to feel, and normally far too weak to bother with. But run a fibre-optic cable along the street and watch it…

Spring in the Altai arrives as a boundary moving down through the soil. The frozen layer that has held since autumn softens from the top, water becomes available to roots, and whatever grows there…

Every so often a meteorite punches through the dust of the Martian midlatitudes and leaves something startling behind: a splash of bright white ice at the bottom of a fresh crater, visible from orbit…