Debbie Graham
Recent articles by Debbie Graham
"It can cause immediate, excruciating pain." Which animal has the world's fastest-acting venom? The answer isn't what you think
From neurotoxins that trigger rapid paralysis to stings that inflict immediate pain, nature’s speediest chemical weapons aren’t always designed to kill.
Deep-sea scientists astonished to find two 'giant' creatures lighting up the deep, dark ocean – with their legs
Sea spiders have been on the planet for at least 425 million years and deep-sea researchers just observed bioluminescence for the first time
11 staggering, close up, tiger photographs reveal the athletic power and brutal ferociousness of this deadly apex predator
It could swallow the entire island of Manhattan, is home to deadly snakes – and even resembles a snake winding its way through a dusty landscape
The oldest thing on Earth is a massive 4.4 billion years old – and there’s more to it than meets the eye
The Jack Hills in Western Australia are home to ancient zircon crystals that offer remarkable clues about Earth’s early crust, water, and the origins of life.
It's bigger than Central Park, is 24 metres down in the ocean – and contains hundreds of subway cars – and a few tanks
Off the coast of Delaware, there are hundreds of subway cars strewn across the seabed. This is why
It’s 43,600 years old, 8 metres high – that's taller than a two-storey building – AND it’s still growing
A remarkable Tasmanian shrub has survived for more than 43,000 years by cloning itself
Do the same animals speak different languages in different countries?
Same species, different voices. The strange secret hidden in the songs of animals
It doesn't have any feet yet it can climb up a 120 metre high waterfall rock face – watch amazing video to see how they do it
Did you know fish can climb? Meet the amazing waterfall-climbing goby
Was this the most confusing animal to ever live? It had a squid’s body, cuttlefish fins, a trunk, a beak – and bizarrely, what look like handlebars
It looks like a pet husky – but this wild predator is built to survive the coldest conditions on Earth and dives headfirst into the snow to hunt
Amongst the most beloved of all Arctic animals is the adorable, yet tenacious Arctic fox. Here's all you need to know about the beautiful and mesmerising canine.
Why do octopuses have three hearts, when humans only have one?
Why - for octopuses - three hearts are better than one
"Suddenly, one of them was behind me. I heard rips and the sound of planks dropping coming from my room. It was breaking through the wooden window."
Wildlife biologist Stephanie Schuttler had a shocking wake-up call when a herd of angry giants paid a visit.
It might look like it’s raising its arms in welcome, but if you see this, you should run – this wide-eyed cutie is ready to unleash a deadly bite
The slow loris has large eyes, a big brain, looks incredibly cute, but don't be fooled as it is absolutely deadly and among the few venomous mammals
Can spiders really be beautiful? Definitely! Meet the world's prettiest, most stunning spiders, from bright blue tarantulas to vivid peacock spiders
We take a look at the most colourful members of the spider family
"As temperatures drop below freezing, it freezes solid, with 70% of the water in its body turning to ice. It stops breathing, its heart stops beating and its kidneys stop functioning"
This frog survives winter by spending it frozen solid - literally
It's more than 185 million years old, as long as the Suez Canal – and locked inside are millions of ancient monsters
From giant marine reptiles to intricate spiral shells, the Dorset coast remains a treasure trove for modern explorers.
Are rays just flattened sharks? No, say the experts at The Shark Trust, there's a bit more to it than that
Uncover the similarities and differences that set sharks and rays apart.
Can you spot the wild cat hidden in this photograph in less than 10 seconds?
It barks like a dog, has webbed feet and dives underwater to hunt: Meet the bizarre cat that swims like an otter
All you need to know about one of the world's weirdest cats, the fishing cat
It bites its own tail to transform into a brutal spiked wheel – one of nature’s strangest defences
Coiled in self-defence, this armoured creature turns its body into a formidable fortress to evade predators
12 brutal and amazing birds of prey photos that capture their deadly power, grace and majesty
Stunning images reveal the raw power and regal beauty of nature’s most formidable aerial predators.
Pound for pound, this little fish has the most savage, brutal bite ever measured – way stronger than a great white shark
It might be small but it sure is mighty...
It can spot prey over a mile away and swoop in at a staggering 100 miles an hour to make their kill - leaving their prey little chance of escape
We take a look at one of the world's most majestic birds, the bald eagle
