Great white sharks were first found dead – mutilated with their livers removed – off the coast of South Africa. Now, these tactics are seen around the world.
Curious seals, seahorse fathers and rarely seen deep-sea life are among the most powerful images of the Ocean Photographer of the Year 2026.
A rare but powerful combination of an immense Pacific Ocean heatwave and a "super El Niño" will have profound effects on US weather this autumn. Here are five changes to expect.
Eerie trees, prowling tigers and rare dolphin hunting behaviours have been featured at the 2026 Mangrove Photography Awards.
The record "is another clear signal of an ocean under growing stress", according to Dr Samantha Burgess from the European Copernicus climate change service.
Global oceans recorded their hottest July on record, partly fuelled by developing El Niño conditions, as wildfires continue to ravage western Europe.
Swimming in rivers and lakes is booming, but heavy rain, sewage overflows and farm runoff can lead to disease outbreaks. Here's how to spot when the risks to health are highest.
Scientists fear that high sea temperatures could have wide-ranging consequences for marine life.
The sad fate of a stranded humpback in Germany raises bigger questions about distressed whales – and how to help them.
