Marine Animals
“Hungry giants” filmed exploding out of the ocean in Alaska
A whale watcher enjoyed a surprisingly close encounter when a pod of feeding humpback whales surfaced right next to his boat.
Ancient animal filmed slithering over the seafloor near Komodo island
Captured by a night diver in Indonesia, footage shows the creature swimming slowly through the darkness.
Gigantic iceberg breaks free in Antarctica, revealing ghostly mega-nest beneath
Made up of more than 1,000 strange dimples, researchers say the nesting grounds are something they've never been seen before.
Watch heart-stopping footage of rescuers racing to save a sea lion being strangled by plastic before it's too late...
Rescuers saved a sea lion that had become tightly entangled in plastic packaging
Diver drops into Caribbean Sea at night, then tentacled animal rises from depths with unusual things inside it
The surprising sight was filmed on a night dive off the Mexican island of Cozumel.
Hundreds of dolphins are dying young – and scientists say the signs are alarming...
Population growth of common dolphins in the Bay of Biscay has slowed
10 greatest wildlife spectacles on the planet: Where and when Mother Nature puts on her biggest and most spectacular shows
Our top 10 of the largest concentrations of animals on Earth.
Sharks have a deadly secret sixth sense — and it’s more terrifying than you think
The surprisingly lethal way sharks can find and hunt their prey
Heaviest jellyfish on Earth filmed in British Columbia
The lion's mane jellyfish has an estimated maximum weight of more than 1,000kg. This videographer found one on a night dive in the Salish Sea.
“Talk about a once in a lifetime experience.” See amazing moment 8 massive whales surprise divers on the Great Barrier Reef
Night diver has "shock of lifetime" as immense animal swims out of darkness in Australia
While trying to capture a male weedy seadragon protecting his eggs, this photographer was surprised when an enormous creature appeared behind it.
“One of the ocean’s best kept secrets”: adorable pygmy seahorse filmed hiding in coral reef
A diver in the Philippines caught a rare glimpse of a pygmy seahorse sheltering among the coral.
‘Tusked’ animal found living at bottom of 5,000m-deep ocean. It was carrying something strange
Scientists say it's the first time this behaviour has ever been seen.
They're one of the largest animals to have ever lived on Earth – so why do these ocean giants eat such tiny animals?
Despite being some of the largest animals in the ocean (and Earth), whales feast on miniature animals – why?
Diver finds colossal animal skeleton off Australian coast. We know what killed it
The gigantic creature was discovered on the seabed in a remote part of Western Australia.
When researchers tracked 24 giant manta rays into the deep, they discovered an amazing new behaviour
Scientists now think that oceanic manta rays dive hundreds of metres below the surface to get their bearings.
Disoriented dolphins are stranding more often – and scientists say a disturbing cause is emerging
Toxins from harmful algae can cause Alzheimer’s-like symptoms, such as disorientation, in dolphins
Giant deep-sea beasts aren’t just the stuff of legend – here’s how they got so massive
Ever wondered why deep-sea animals are larger than those found nearer to the surface? Ben Hoare dives into theories of gigantism
“It’s like swimming inside a snow globe.” When this diver dropped into a remote reef, dozens of huge animals appeared from the darkness
The South Pass, in French Polynesia, is home to the densest population of grey reef sharks on the planet
What the deep-sea robots saw when they went to the darkest depths of our oceans
Explorers drop 6 miles into Japan's deepest abyss, then 29,556 bizarre organisms emerge from the darkness
The crewed submersible visited three underwater trenches during the expedition, reaching depths of 9,775 metres.
Oldest living animal ever found suggests Atlantic Ocean is close to tipping point, say scientists
Quahog clams can live for more than 500 years. A new study of these bivalves reveals what the ocean used to be like – and offers clues of what might happen in the future.
Why the sperm whale's head is built for ramming - and why ramming doesn't give them headaches
Researchers discovered that the sperm whale's head is suited to high-impact clashes.
Night divers capture rare images of fish carrying stinging anemones in their mouths
The incredible photos reveal a new kind of symbiosis between fish and anemones, say researchers.