Environment
It's a staggering 300 metres underground, features amazing 11-metre-tall crystals – and has a deadly 90% humidity level
It's 3 times the size of the UK and home to rare penguins, alien-like fish and the world's most isolated inhabited islands
How one tiny island community makes a vast contribution to protecting ocean biodiversity
The 'Great Texas Freeze' killed thousands of beloved songbirds. Scientists are worried about what might happen next
North America’s largest swallow, the purple martin, was hit hard by winter storms in 2021. With erratic weather events becoming more common, experts are concerned about the bird's long-term survival.
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It’s bigger than Florida, straddles 3 countries and is home to a snake as long as a great white shark
The Pantanal, the world's largest tropical wetland, is a refuge for some truly extraordinary animals.
16 stunning photos that reveal the incredible beauty and power of the world’s oldest national park
The USA’s Yellowstone National Park is the oldest national park in the world and is home to a vast array of wildlife
The ‘world’s smallest desert’ covers just 1 square mile, is in Canada and was carved out by ancient glaciers – but it’s not actually a desert
Carcross Desert, in Canada, is often referred to as the world’s smallest desert – although it technically isn’t one
Scientists started digging in one of the world’s driest deserts. What they eventually found was extraordinary
Researchers found that life can thrive even in one of the most extreme environments on Earth
It’s larger than Japan, more than 1km deep and borders 5 countries – and is home to a unique seal population
Why is the world’s largest lake called a sea?
It’s almost twice the size of Washington state and stretches 18 miles down into the Earth’s crust – and it’s underwater too
What’s the largest volcano on Earth? Well, scientists don’t think that it’s on land at all…
The world’s largest desert is enormous and there’s hardly any rain – but it’s not hot. Here’s why
The largest desert in the world isn't where you think it might be...
It’s 80 miles wide, larger than the state of Florida and is dubbed the ‘Doomsday Glacier’ – discover Antarctica’s most unstable glacier
Often referred to as the ‘Doomsday Glacier’, Thwaites Glacier is a fragile ice giant whose collapse could accelerate sea-level rise
This giant ship sank off the Egyptian coast in 1941. Now an animal that looks like a crocodile hides in its shadows
The 126-metre-long ship went down with all its cargo when it was bombed in World War II. Now its trucks and motorbikes are home to barracudas, sea turtles and reptilian-looking crocodilefish.
It can grow higher than the leaning Tower of Pisa and is the tallest living structure in our oceans
Magical kelp forests grow all along the west coast of the United States, especially around southern California.
It has huge ears and can run twice as fast as Usain Bolt - meet the amazing hare returning to Saudi Arabia's northwestern desert
20 Arabian hares have been moved to the Prince Mohammed bin Salman Royal Reserve as part of a project to restore populations in the area.
It's been sealed off for an inconceivable 5 million years and is rich in toxic chemicals. Life shouldn't survive here – but it does...
Life thrives in bizarre ecosystem, sealed off for 5 million years
"I get goosebumps thinking about it.” Giant tortoises return to remote Galápagos island after more than 150-year absence
The release of 158 giant tortoises on the island of Floreana is a major milestone for Galápagos conservation.
“The fish life has exploded": 400,000 corals planted on dying reef in Bali. What happened next was remarkable
A diver in Indonesia was distraught at seeing coral reefs destroyed. So, he decided to do something about it.
A rapidly melting ‘Doomsday Glacier’ and a monstrous deep-sea fish: 6 of nature’s doomsday signals that could warn of the end of the world
Whether these signs are rooted in science (like the Doomsday Glacier) or simply popular myth, they have been associated with the end of the world – or at least life as we know it
It’s more than twice the size of Texas and moves 800m a year – and it’s almost 2,000m deep
What’s the largest glacier in the world? The answer depends on how you measure it
From coral reefs to songbirds, the natural world is losing its colour. Here’s why scientists are worried
Colour is far more than beauty – it's a powerful indicator of ecosystem health. And the planet is losing its hues
9 mind-blowing photos of animals entombed in amber
Astonishing images of amber-enveloped spiders, flies and lizards.
It's 3 million years old, the size of Vikos Gorge and is home to one of the world's weirdest animals – the 'human fish'
Megan Shersby explores one of the world's most spectacular caves, Postojna Cave
Which absorbs more carbon – forests or oceans?
Forests store a remarkable amount of carbon, but which stores more – forests or oceans?
It’s the same size as Japan, can be seen from space and is a UNESCO World Heritage Site – and it’s teeming with thousands of species
The largest coral reef in the world is also the most famous, attracting millions of visitors each year
