Environment
What's the biggest national park in the world? And no, it isn't the one you think it is...
If you think the largest national park on Earth is Yellowstone, think again – as it doesn't even come close...
More than 1,000 rattlesnakes caught in Michigan wetlands. What scientists find in their DNA is concerning
Eastern massasauga rattlesnakes are struggling to survive as habitat fragmentation forces them to breed with close relatives, new research shows.
61 black mambas captured in African city. Here's what experts found in their scales – and why it matters
New research shows the highly venomous snakes absorb heavy metals into their scales, helping scientists track urban pollution.
10 deadliest beaches in the world including Skeleton Coast – the world’s largest ‘ship graveyard'
“The ultimate meddling”: What is assisted migration – and why is it so controversial among scientists?
The conservation method of assisted migration, also known as assisted colonisation, is controversial among scientists – but it could be the only option for some species
Scientists send soft-bodied robot 4,071m into deep ocean. They say it can "sense the environment"
Researchers believe the underwater robot – which looks and swims like a fish – could help improve deep-sea exploration.
Mekong River megafish are rapidly shrinking, say scientists. And they know why
Once weighing hundreds of kilograms, these giants of the Mekong are decreasing in size, highlighting the need for enhanced protection.
"Weird" poop crawling with parasites found on US riverbank. DNA analysis reveals exactly what's going on
The strange scat was first seen on a dock in Chesapeake Bay – an enormous estuary on the east coast of the US.
26 new UNESCO World Heritage Sites named - including this wildlife paradise in Sierra Leone
The Gola-Tiwai Complex in Sierra Leone is one of four new sites in Africa and 26 worldwide, joining the Great Barrier Reef, the Galápagos Islands and Stonehenge.
Lynx could "flourish" in Northumberland with most locals supporting return
New research suggests lynx could thrive in Northumberland's Kielder Forest, as well as Galloway and Aberdeenshire in Scotland.
Serpent eagles fight off toxic invasion on Japanese island in fascinating way - new study
Crested serpent eagles have evolved toxin resistance to invasive cane toads, say researchers.
“No one wants to use the word ‘cull’”. There’s an island off the UK overrun with wallabies – and they’re causing chaos
Feral wallaby populations are growing on the Isle of Man – and native wildlife is suffering, dividing opinion among islanders
Colossal flood explodes through Greenland Ice Sheet. What scientists find in aftermath astounds them
The powerful flood was driven by the sudden draining of a lake hidden beneath the ice.
Epic expedition through Congo's swamp forests reveals “unexpected” find deep beneath the ground
Scientists spent more than 10 years studying the world’s largest complex of tropical peatlands in Africa's Congo Basin. Here's what they found.
Scientists discover ancient deep-sea 'superhighway' that spans entire globe
A landmark DNA study uncovers how a group of deep-sea animals has travelled thousands of kilometres – over millions of years – connecting ecosystems across the world's oceans.
Why half-a-billion-year-old animals unearthed in Grand Canyon have got evolution experts so excited
The astounding collection of soft-bodied Cambrian fossils was found buried in the walls of the vast US canyon.
“Even here, at the edge of the world, the fingerprints of global warming are unmistakable”
Heard Island, one of the world's last pristine ecosystems, has lost a quarter of its glaciers since 1947, say researchers.
Deadly snakes, spinning islands and swimming pigs: The 6 weirdest islands on the planet
From venomous snake-infested rocks to islands full of swimming pigs, the world is home to some seriously strange places
Gigantic crocodile among 20 astonishing images from Mangrove Photography Awards 2025
Take a deep dive into the hidden world of mangroves with these stunning images from the Mangrove Photography Awards.
Yellowstone: "remarkable" recovery of aspen trees 30 years after return of wolves – new study
Three decades after wolves returned to the US national park, researchers have found the first new generation of overstory aspen trees in 80 years.
Do we really know more about space than the ocean?
It's a popular belief that we know more about what's above our heads than what's in the ocean. But is it actually true?
10 deadliest rivers in the world including a 'boiling river' that 'cooks' animals from the inside out
You don't want total a dip in these rivers
The world's weirdest lakes – including one that vanishes and one that contains a fluid that's not water...
From the deepest to the oldest, the deadliest to the smallest here are the weirdest lakes in the world
When the Earth burned for 5 million years: Great Dying could happen again with just as deadly results, scientists warn
Could history repeat itself with a second Great Dying event?