Environment
It's 67km long, flows in two directions at once, defies the laws of nature – and nobody knows exactly where it begins
It has been said that the Echimamish River in Canada does exactly that—flowing both downstream and upstream.
A volcanic eruption off the coast of Japan unearthed something shocking. And then, it vanished...
The Fukutoku-Okanoba submarine volcano is capable of creating new islands, though they are usually temporary
How studying the deep sea can help us look for life on Mars
Microbiologist Jeffrey Marlow explains how deep-sea exploration reveals the extreme environments in which life can exist
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It’s twice the size of Rhode Island, is home to wildlife found nowhere else on Earth and is constantly growing and sinking
From steaming volcanic landscapes to lush rainforest and coral-rich coastal waters, Hawaiʻi Island, better known as the Big Island, is a remarkable place to discover wildlife
A mysterious grey blob – the size of France – floating on the ocean's surface led scientists to make several exciting discoveries
Trillions of pieces of pumice formed what is known as the Havre Pumice Raft
This gigantic structure is as long as 3 football pitches – and scientists are using it to help reduce flooding around the world
Researchers are using the Delta Flume wave generator in the Netherlands to test the contributions of saltmarshes to coastal protection.
In WWI, the German navy tried to sink 74 warships. More than a century later, this is what became of them, 45m below the surface
Scapa Flow, in the Scottish Orkney Islands, is reputed to be among the world’s best wreck diving for both its remarkable history and its spectacular wildlife
It's home to sharks, crocodiles and a deadly 'lethal cocktail' of bacteria, diseases and body parts
The River Ganges is famous for its religious significance, and its polluted water
It's the same size as Houston and just teeming with deadly American alligators and highly venomous snakes
The Okefenokee Swamp is thriving with plants and wildlife
“As it touches the seafloor, it kills whatever living thing it contacts by encasing it in a tomb of ice…” 10 mind-bending, terrifying ocean phenomena
These weird ocean phenomena are out of this world
“It carved a crater twice the size of Rhode Island and as deep as the Grand Canyon." This 35-million-year-old asteroid impact wrecked the United States
It created a crater three times larger than any other US crater and the sixth largest known on Earth…
An American town woke up one day and mysteriously found itself on the opposite side of the Mississippi River to where it had been. We now know why...
Rivers can change direction, leaving behind abandoned channels
It’s almost as big as Manhattan, contains trees more than 1,300 years old and is visible from space. Now it hides a ticking time bomb
The logjams in the delta of Canada's Mackenzie River are vital for wildlife and the environment
A Boeing 737 was dropped on the seabed, then this strange white animal moved in
The artificial reef off Vancouver Island is said to have more than 100 marine species
Bizarre fields of potato-like nodules line the Pacific seafloor. Scientists just set off on an expedition to study them
As commercial interest in deep-sea mining grows, studying its potential environmental effects is becoming increasingly important
It stretched a humongous 250km and blocked a mighty American river for 900 years. Then humans destroyed it, unleashing a disaster
The Great Raft fully lived up to its name; its legacy persists today, despite its removal in the 1870s
“Inside lay a grisly collection of bodies, hapless creatures that crawled in but never crawled out, encrusted with jewels of halite crystals”
Believe it or not, the Hot Tub of Despair is a real thing, and it's in the Gulf of Mexico
Tanks, helicopters and guns are sitting 24 metres beneath the Red Sea – Here’s why…
In Aqaba, 21 military vehicles arranged in tactical combat formation are attracting marine life in an Underwater Military Museum
It’s thousands of years old, as long as a football field, taller than the Great Sphinx of Giza and no-one knows how it ended up at the bottom of the sea
Visiting the Yonaguni Underwater Monument is challenging: expect seasickness and currents so strong you might only get a quick glimpse as you zoom by
Longer than the Titanic, it was built in secret and carried Hollywood royalty – now this legendary liner is being sent to the bottom of the ocean
Sinking the SS United States’ off the coast of Florida hasn’t been smooth sailing
It’s 113 metres long and was sunk into a barren ocean floor 42m deep in the Gulf of Mexico – 7 months later this happened
The ‘Kraken’ artificial reef is now flooded with fishes after being sunk in 2017 to create an underwater habitat for marine life
It can be seen from space, is the size of London and rumoured to be the lost city of Atlantis – but the truth is far stranger
Could this structure, which you can see from space, be the lost city of Atlantis? It depends on who you talk to
It's 120,000-years-old, 800m down, as big as a basketball court and home to 30 amazing towers – some taller than Disney’s castle – and unearthly life
Some experts are worried about threats to the Lost City Hydrothermal Field if it isn’t properly protected
It’s nearly 3 football pitches long and could carry 80 planes – now this vast shipwreck is visited by the world’s largest shark
The wreck is known as the Great Carrier Reef in honour of the world’s largest coral reef system
