The sea
Earth's sea covers 71 per cent of its surface and is home to almost 1 million different animal and plant species, with two thirds of them estimated to still be unknown. The sea is a large body of salt water consisting of four main areas, the Atlantic, Pacific, Indian and Artic oceans. The sea has become an important part of human life, opening doors to trade and travel , as well as being a renewable energy source.
What ever happened with the Bermuda Triangle?
Turns out there's no much truth to the legend.
This 'Doomsday Glacier' is melting faster than anyone thought. Now Earth's biggest cities are in danger
Antarctic expeditions and outlandish geoengineering schemes hope to slow sea level rise... but it might be too late
This adorable bopping sea lion can probably hold a beat better than you
Note to self: avoid dance-offs with sea lions
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The 7 biggest ocean mysteries scientists can't explain
Weird noises, mysterious constructions and strange disappearances have left scientists scratching their heads. Here are seven phenomena we still can’t explain.
What is Mexico's blue hole?
The world's deepest marine sinkhole is at least 420m deep but remains a mystery to scientists.
The 10 weirdest news stories of 2024
2024 was a year filled with unbelievable news, outrageous headlines and downright mind-blowing science. Let’s go through our favourites.
How deep can a penguin dive?
Penguins are skilled divers, transitioning from land to water with smooth movements. But what's the deepest a penguin can actually dive?
Blobfish: Facts about the ugliest animal in the world
Learn what the blobfish really looks like – and why it’s become an unlikely poster child for marine conservation.
This mysterious gang of killer whales is hunting down and eating dolphins
The animals were then observed sharing the meat with family members.
Octopuses are now punching fish – and we have the footage to prove it
The fisticuffs occur during cooperative hunting trips.
Nature's weirdest: The pigbutt worm
What an... urm... interesting creature.
'Dark Oxygen' hidden on ocean floor could rewrite the rules of evolution
The discovery of mysterious oxygen sources deep below the surface calls into question our understanding of how life was kick started.
This ‘Doomsday Glacier’ is melting faster than scientists thought. Now Earth’s biggest cities are at risk
The giant glacier has been losing ice rapidly for several decades.
Shipwrecking ‘rogue waves’ are raging through our oceans. And they have scientists puzzled
Extreme waves have recently sank cruise ships and fishing vessels .
Nature's weirdest: The Spanish Dancer
It feeds on marine snow – and has a see-through digestive tract.
Killer whale filmed absolutely destroying great white shark – and it has scientists worried
A gruesome discovery has challenged scientific understanding of the apex predator’s position in the food chain.
World’s weirdest: Meet the Christmas tree worm, the creature covered in feeding tentacles
Meet the bizarre underwater worm that looks like a Christmas decoration and sees through its gills.
Inside the secret deep-sea oasis where 20,000 octopuses give birth
On the side of a hill 3000m beneath the surface of the Pacific Ocean, scientists have discovered the world's biggest octopus nursery.
This adorable ‘Octopus Garden’ was discovered on deep ocean volcano
Ringo’s warm hideaway beneath the waves was real all along.
Weird animals: 25 of the most bizarre animals on Earth
From an eel that can produce 400 times their volume in slime, to a fish with human teeth, here are some really weird animals from around the world.
Megalodon: The giant ancestor of today's sharks
Huge, terrifying and now with their own movie franchise. We give you the lowdown on one of the Earth's greatest ever apex predators.
Meet the fearless scientists saving Antarctic whales… With crossbows and tiny inflatable boats
How do you study a gigantic mammal that migrates over thousands of miles and spends most of its time underwater? Here’s how the latest tech is shaping the future of whale conservation.
This bizarre four-legged whale is the new heaviest animal of all time
The findings show that gigantism is much, much older than we thought.
The secrets of the immortal jellyfish, Earth's longest-living animal
How does the immortal jellyfish (Turritopsis dohrnii) live for so long? A leading scientist explains all.