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Grey slice of the Martian meteorite Teghaza 001Space · Nov 8, 2026Teghaza 001, a meteorite that takes us back to Mars’s earliest rocksFound in Mali, Teghaza 001 contains minerals at least 4.1 billion years old. Its zircons and traces of alteration by water offer a rare window into Mars’s ancient crust.The sand and sea horizon at Omaha Beach, in Normandy.Science · Nov 8, 2026What the sand of Omaha Beach preserves of D-DayA sand sample collected from Omaha Beach in 1988 contained metal fragments consistent with war debris. The reported 4% applies to this sample, not to the whole beach.The Krafla geothermal power plant in Iceland, with a plume of steam, illustrative photograph.Science · Nov 8, 2026Deep geothermal energy: why monitor earthquakes before and after operations?Injecting water deep underground can alter stresses in rocks and trigger earthquakes. Why do deep geothermal projects require monitoring before, during and sometimes after operations?Xiaozhai sinkhole seen from its southern rim, with its limestone cliffs and vegetation, in November 2009.Nature and environment · Nov 1, 2026Xiaozhai Tiankeng: understanding China’s sinkhole and its forestsAt Xiaozhai, the sinkhole reaches a depth of 662 metres, depending on the point of measurement. This spectacular landscape has long been known; research into tiankengs sheds light on the links between landforms, water and living things.Water jet from the degassing system at Lake Nyos, between rocky shores, with a floating platform.Basic science · Nov 1, 2026Lake Nyos: how dissolved CO₂ caused the 1986 disasterIn Cameroon, Lake Nyos released a deadly cloud of CO₂ in August 1986. Understanding how the gas was stored at depth also explains how degassing systems work.Lake Salagou and its shore at Celles, landscape photographed in 2016France · Oct 21, 2026Hérault: reading the landscapes of the geoparkAwarded UNESCO status in 2026, the Terres d’Hérault bring together several geological histories. At Salagou and Mourèze, distinguishing between them changes how the landscape is read.Spherical metal model of the DAVINCI probe inside a test facility.Space · Oct 1, 2026DAVINCI: why NASA is preparing a probe for Venus’s 465°C heatA DAVINCI capsule has withstood 465°C six times in ground tests. NASA wants to understand how Venus evolved and whether it once had liquid water.