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A North Atlantic right whale and its calf, in an archival photograph from 2010; these are not the animals spotted at Anticosti in 2026.Nature and environment · Nov 7, 2026North Atlantic right whales: calf identified late in CanadaPhotographed near Anticosti on 25 September, a calf probably born during the 2025-2026 season was identified after the images were analysed. The case shows how photographic catalogues refine the figures, without making counts exhaustive.A path through a broadleaf forest near Echternach, illustrative photograph from 2019.Nature and environment · Nov 6, 2026Biodiversity: what satellites can measure, and what needs checking on the groundThe ESA is strengthening its ecosystem-monitoring tools. But a protected area on a map does not, by itself, prove that nature is doing better there. Here’s how to read this new data.A colony of translucent large clavelinas attached to a wreck in the English Channel.Nature and environment · Oct 26, 2026Clavelina: what these small transparent animals revealNeither plant nor deep-sea creature: the large clavelina lives in colonies and filters water. Its small translucent forms tell another story of coastal life.Silvery sardines packed tightly together after being caught.Nature and environment · Oct 26, 2026Why the bolinche encircles shoals of sardinesA fish that lives in open water, a life in shoals and a net that closes underneath: understanding the link between sardines and this professional fishing technique.Light shimmering beneath the turquoise surface of seawater, an illustrative photograph of the marine environment.Climate · Oct 26, 2026How shells preserve traces of the marine climateGrowth lines, isotopes and chemical analyses: researchers use shells as ocean archives, while taking care not to confuse local signals with the global climate.A heavily bleached, very pale coral surrounded by other formations on an underwater reef.Nature and environment · Oct 26, 2026Bleached corals and jellyfish: how to read the signs of an ocean in changeNOAA confirms the scale of heat stress on reefs, but jellyfish blooms do not follow a simple global pattern. Scientists explain why.Red handfish photographed in its natural habitat in Tasmania in November 2018.Nature and environment · Oct 26, 2026Photo Ark: why the 18,000-species milestone is more than a collection of imagesJoel Sartore’s project reached this milestone in August 2026 with a red handfish. His approach gives a place to smaller species that are often less visible.Very pale coral in the foreground of an underwater reef, archive photograph.Nature and environment · Oct 25, 2026Bleached corals: why contact with a healthy clone speeds up their recoveryAn experiment at Stanford enabled five bleached fragments to recover through contact with genetically identical corals. The results are promising, but still limited to the laboratory.Flowering meadow in Trent Park, illustrative archive photographNature and environment · Oct 21, 2026Biodiversity: counting species is not enoughA review of 423 studies examines the functions of biodiversity.