Ocean17 hrs agoWhy it's impossible to measure England's coastlineA new hiking trail will soon allow travellers to walk around England's entire coast – but a strange paradox means no one knows exactly how long it is.17 hrs ago4 days agoSix extraordinary places to dive around the worldFrom Fiji's kaleidoscopic reefs to shark-packed passes in French Polynesia, these six destinations offer some of the world's most exhilarating underwater experiences.4 days ago14 Mar 2026The strange deep-sea creatures that eat whalesFrom bone-eating snot-flowers to snowboarding scale worms, when a whale dies it becomes a colossal island of nutrients – attracting weird and wonderful creatures to feast.14 Mar 20261 Mar 2026People are 'mermaiding' all over the worldFrom fantasy photoshoots in the Maldives, to kelp forest "strolls" along California's Catalina Island and Taiwan's luxe hotel swims, swimming in a tail is different wherever you do it.1 Mar 202628 Feb 2026The whale graveyards that transform the deep seaA photographer captured this extraordinary site where whales' bodies lie in the shallows, with troubling repercussions for the deep oceans.28 Feb 202617 Feb 2026The unseen force turning water to saltFrom The Gambia to the US, sea salt is increasingly seeping into the freshwaters people need for drinking and producing food.17 Feb 202630 Dec 2025The sounds revealing mysteries of deepest whalesBeaked whales are rarely spotted. Now scientists are using underwater sounds to help identify these elusive creatures.30 Dec 202511 Dec 2025The year the sea fell silentDuring the lockdowns of 2020, global shipping was severely restricted and ocean noise pollution all but ceased. Instead the songs of fish filled the sea.11 Dec 20259 Dec 2025The 'shark mountains' hidden in the seaUnder the surface of the ocean, "constellations" of towering subsea mountains dot the Earth – and they are teeming with sharks.9 Dec 2025...
