Whales flown to US aquariums after long-running saga in which Marineland had threatened to euthanise them

In a bizarre and possibly adorable experiment in the UK, a bunch of creature enthusiasts volunteered to live for six weeks as wild animals

Trevone Bay, Cornwall: The odds of survival of these juveniles raised in a hatchery are 1,000 times greater than if they had been born in the wild

Scientists believe sunfish-smashing behaviour could be form of entertainment or to help younger whales feed

Researchers listening off the Caribbean island of Dominica found variations in the mammals’ audible clicks when marine traffic was close

Equinor benefits from decision to increase oil and gas production during strait of Hormuz blockades

Some parts of Mediterranean Sea 5C hotter than normal, with air temperatures above 44C expected in Spain

Government agency confirms status in north Wales and Upper Severn after series of heatwaves and lack of rainfall

Figures come as large parts of southern Europe endure another record-breaking period of extreme temperatures

Local people and tourists were evacuated from the Arcachon Bay area overnight into Thursday after a huge fire engulfed more than 3,400 hectares (8,400 acres) of forest