Saharan dust plume reaches the Caribbean Sea

Naarden, in the Netherlands, is one of Europe’s best-preserved examples of a fortified town, with its distinctive star-shaped layout still intact.

Actinoform clouds are cloud formations with a distinctive radial shape, creating patterns which resemble giant flowers spread across the atmosphere. They usually form within large layers of marine stratocumulus clouds through interactions between moisture, temperature, wind, and airborne particles.

Lake Wörthersee lies in the Klagenfurt Basin of Carinthia, southern Austria, between low wooded ridges shaped by Alpine geology and glacial processes.

In early May 2026, a phytoplankton bloom developed in the western Black Sea off the coast of Romania, remaining visible through late May.

A submarine eruption began on 8 May 2026 in the central Bismarck Sea, 130 kilometres south-east of Manus Island, Papua New Guinea. The eruption revealed a previously unmapped underwater volcano, now provisionally named Titan Ridge Volcano, in a remote and tectonically active area of the Pacific Ocean.