Environment
Behind a waterfall lies a 200-metre-deep elephant cave harbouring a deadly virus that has a terrifying 88% fatality rate
This is no place for the cautious: venturing deep into the cave is a perilous gamble that only the foolhardy would attempt.
Stunning wildflower 'superbloom' sweeps through Death Valley. It's the best display in a decade
The hottest place on the planet has transformed into a sea of colour, as desert gold and notch-leaf phacelia flowers fill the valley floor.
“At first, we were puzzled.” Scientists track 69 ravens through Yellowstone – and make remarkable discovery
The researchers wanted to find out exactly how ravens find wolf kills in the US national park.
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This Antarctic glacier looks like it’s gushing blood. Scientists have finally figured out what’s going on
Blood Falls erupts from 50-feet-high fissures in one of the most extreme environments on Earth
Huge carnivores are roaming the streets of this Ethiopian city. What they're doing could be saving people $100,000 USD per year
In the city of Mekelle, hyenas and other urban scavengers are helping save the waste disposal sector money while also curbing carbon emissions, new study finds.
This microstate borders one of Europe’s most biodiverse mountain ranges but is the least biodiverse country in the world – here’s why
San Marino is a mountainous microstate measuring just 61km2
There’s a cave in Kentucky that’s 426 miles long – and fish-eating spiders lurk in it
Mammoth Cave is the longest known cave system in the world – but where is it?
Scientists looked beneath one of oldest trees on Earth. What they found is astounding
The researchers discovered a hidden world of life among the roots of Chile's ancient alerce trees. Here's why that's important.
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.
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.
