Environment
This gigantic tusk and more than 70 bones were dug up at a construction site in Germany. Here's why the discovery is so exceptional
After several years of detailed study, scientists from Germany have cracked a cold case that has been on ice since the Last Glacial Maximum.
It’s the size of Hong Kong and contains the highest mountain on Earth – and it’s home to a mighty carnivore
Sagarmatha National Park in Nepal is home to some of the planet's hardiest animals – from woolly hares and red pandas to high-flying geese and stalking snow leopards.
It’s the size of Texas, stores 70 billion tonnes of carbon and deadly predators roam its harsh, remote landscape
The West Siberian Lowland is the world’s largest high-latitude wetland and contains the biggest peatland
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Expedition to remote Angolan plateau reveals dozens of dazzling new species
Numerous species previously unknown to science have been discovered in a ‘biodiversity blank spot’ in Angola on the west coast of Southern Africa.
"Stop, prevent your death! Go no further." 9 deadliest, most terrifying caves on the planet
For those who chose to explore them, caves are a source of fascination, but these can be dark, inhospitable places, full of twist and turns and tunnels and chambers says Helen Pilcher.
These 50-million-year-old giants are taller than the Statue of Liberty – and there are thousands of them
Utah's Bryce Canyon isn’t a canyon at all, but a vast high plateau carved into numerous amphitheatres – and within these incredible rock formations there is life.
Siberia’s ‘Gateway to Hell’ is getting bigger. And it’s spewing out prehistoric animals
Known by some as the ‘Gateway to Hell’, the Batagay crater in Siberia is the world’s largest megaslump
A carnivore has moved into Florida's Everglades – and it's threatening native crocodiles and alligators
The invasive spectacled caiman could be hampering efforts to restore the Everglades ecosystem, according to a recent review.
This Italian island is home to an active volcano – and a horde of wild goats
Living in the shadow of an active volcano is nerve-wracking – but the residents of Stromboli face another challenge
The same size as Casablanca, this arid landscape holds over 15 staggering 300m rock towers older than the dinosaurs – and America’s deadliest snake
Discover the land of red rock towers, legendary monsters and coyotes
This lost ocean vanished millions of years ago – but it may have shaped the ancient mountains of the dinosaurs
A new study suggests the prehistoric Tethys Ocean was driving mountain formation thousands of kilometres away.
Mysterious ‘ghost shark’, carnivorous ‘death ball’ sponge, and a worm living in a ‘glass castle’ – more than 1,100 new marine species discovered
The extraordinary discoveries were made over 13 ocean expeditions to some of the planet’s most extreme environments.
It was forged by fiery underwater explosions. Today, it’s a “natural laboratory” for researchers and tourists are banned
Surtsey was formed by volcanic eruptions in the 1960s – and has been legally protected ever since
Yellow brick road found at bottom of the ocean stuns scientists...
Think the yellow brick road is fictional? Think again. It’s real and it can be found more than 1,000 metres deep in the ocean
It was sealed off for 5 million years, breathes and has a Chandelier Ballroom filled with 6 metre long crystals
Lechuguilla Cave, in New Mexico, is full of rare and spectacular geological formations
It’s the size of Belgium and contains the highest waterfall on Earth – and it's home to monkey-hunting eagles
Huge table-top mountains, tumbling waterfalls and extraordinary wildlife – welcome to Venezuela's Canaima National Park.
Is there a place on Earth that is exactly the same if humans had never arrived? Or have we irreversibly changed the world forever?
Is there somewhere on Earth that is completely unaffected by humans? Caroline Steel investigates
It might only be two metres wide, but don't be deceived as this feisty stream is highly treacherous and has a 100% fatality rate...
It's buried under 4,000 metres of ice yet doesn't freeze even though a chilly -3 °C – Discover the 15 million year-old lake that's the weirdest on the planet...
Buried beneath nearly two miles of Antarctic ice, Lake Vostok is one of the most isolated places on Earth – a hidden, ancient world that could reshape what scientists know about life in extreme environments
At a staggering 3500m below sea level, this frozen abyss is the deepest, darkest and least explored place on land...
Delve into the deepest, darkest place on continental Earth
Just how long do glaciers take to give up their dead? Inside the chilling journey...
How long does it take for a glacier to transport a body from the depths of a crevasse to the surface if you fall in? We take a look...
10 shocking ways Planet Earth has changed since David Attenborough's birth, 100 years ago...
Between 1926 and 2026 the Earth has almost changed beyond recognition...
It’s so deep it could swallow 24 Empire State Buildings stacked one on top of the other – and they’d still be submerged
More than 10km deep, 80km wide and 1,375km long – the Tonga Trench in the South Pacific Ocean is truly enormous.
Mount Rushmore is a tourist hotspot. But it’s also home to rare and deadly predators
Millions of visitors flock to the memorial each year, while other creatures remain out of sight
