Nature, Published online: 13 September 2026; doi:10.1038/d41586-026-02826-5

The extreme weather of this year’s mega El Niño could look different from past events.

In a laboratory 2 kilometers underground, a crane lowers Matt Depatie, a detector technologist, through a hatch into a white-walled cavern filled with about 7,000 tons of ultrapure water that glows as blue as wiper fluid in the light. “Splashdown,” Depatie says over a radio as he steps into an inflatable raft waiting below. Normally, the cavern is one of the darkest places on Earth, but today…

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Nature, Published online: 30 July 2026; doi:10.1038/d41586-026-02361-3

Countries such as Spain and France can expect fire regimes more like those of California as climate change favours hot, dry conditions, scientists suggest.

Nature, Published online: 23 July 2026; doi:10.1038/d41586-026-02293-y

Forecasters predict that the monster climate pattern will combine with global warming to push global temperatures in 2027 to new heights.