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How many ways can evolution happen?
Evolution isn’t a single, straightforward process – it works in several distinct ways. From species splitting apart over time to unrelated animals developing similar traits, these patterns reveal how life adapts and changes.
"Giving birth through their narrow clitoris, a female has a birth canal of only about one inch across, making it both painful and risky." 10 craziest animal births ever...
From mouth-brooding fish to tadpoles bursting through their mother’s back, the animal kingdom has some bizarre birth stories
Banana-sized deep-sea oddity glows red – and resembles an alien spaceship
is crimson creature glides through the twilight zone with rainbows dancing up and down its body but to predators it’s invisible
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It rains poison, blinds on contact – and its fruit could kill: Inside the ‘Tree of Death'
"It's often infected with a parasite, which can be transmitted to humans. Untreated, it can lead to heart failure, damage to the nervous system and death.."
This is one bug you don't want to be 'kissed' by
Why do cockchafers have such weird, feathery antennae?
It's the size of Gambia and one and a half times deeper than the Grand Canyon – Discover Earth’s most mysterious underwater giant
"With the flex of a muscle, it can produce an arsenal of sharp, curved claws that snap out of its toes like switchblades" 11 weirdest, bizarrest frogs on the planet
Discover the weird and wonderful oddballs from the world of frogs
"Sand pours off and disappears below like an underwater waterfall. This eerie phenomenon looks like a monstrous plume of smoke being dragged down into the darkness"
Plummeting down for more than 200 metres, Dean’s Blue Hole in the Bahamas is one of the world’s deepest blue holes
Nearly as big as Wales, hotter than 50°C – Inside the inhospitable and rugged Death Valley, where not everyone gets out alive - yet inconceivably wildlife thrives
Welcome to one of the harshest, hottest most inhospitable places on Earth
"The only way a female avoids starvation is by being fed by males hoping to mate with her. Females might have up to five males in attendance..."
Often male birds are more colourful than their female counterparts, but the ecelctus parrot bucks the trend, as zoologist and broadcaster Lucy Cooke explains.
Do eggs really need sperm? Can they manage without?
Discover the intricate relationship between eggs and sperm.
"Both are large, heavy, beefy animals with thick skin, pillar-like legs and enormous heads..."
Both are big, intimidating and dangerous at close quarters...
Underwater robot discovered record-breaking creature the size of a car that could be thousands of years old, one mile down in the Pacific Ocean
All you need about the biggest sponge in the world
"The ghostly trunks of a vast forest, submerged for tens of thousands of years, rose out of the sediment. These mighty trees had lived for hundreds of years before their watery grave"
The mystery of 60,000-year-old trees that still smell like fresh incense
10 deadliest, most venomous spiders on the planet: Are these dangerous spiders as fearsome and lethal as their reputation?
Here are the most venomous spiders in the world, but just how deadly are they really?
Are humans still evolving or is this as good as we get?
It’s often said we’ve transcended our biological constraints and stopped evolving, but that’s simply not true…
“This colossal, complex city – the size of 2 tennis courts with thousands of rooms, from classrooms to ventilation units – was built by millions of hard-working architects”
Crow vs raven: what's the difference between these two very similar-looking black birds?
Don't know how to tell a crow from a raven? Stuart Blackman explains how to tell the difference between these two common corvids
This 2-billion-year-old giant is 14km long and rises almost 3km into the sky. And it's home to a hairy carnivore
Some of the planet's rarest – and strangest – animals and plants live on the top of South America's otherworldly Mount Roraima.
“More than 60% of females gave birth on the same night.” Why do some animals give birth en masse?
This smart reproductive trick can overwhelm predators – or cause a headache for expectant mothers
What's the slowest bird on the planet? Clue – it's also a pretty slow walker and fairly dumpy...
Contenders, ready! Stuart Blackman ponders which bird would win the slow race of the skies
Do lemmings really have a death wish and jump off cliffs?
Do these small mammals actually jump to their deaths? We investigate
“I glanced in the mirror and saw a huge, deadly creature crawling out of my shirt. I've never disrobed so quickly in my life.”
Wildlife photographer Guy Edwardes on bad weather, big spiders and a brush with the police
