Male narwhals use their unicorn-like tusks for mating rituals and combat with rivals, scientists believe.
Scientists have proved one of Charles Darwin’s theories of evolution – survival of the fittest – for the first time.
Ancient hunter-gatherers helped accelerate cultural and technological revolutions more than 300,000 years ago by forming small social networks and exchanging ideas and knowledge, scientists have said.
The oldest example of an animal evolving to lose body parts it no longer needed has been discovered by scientists.
Humans evolved to have a “unique” arch across each foot more than 3.5 million years ago which enabled walking and running on two legs, scientists have said.
One-billion-year-old seaweed fossils are believed to be the oldest green algae discovered.
When it comes to brightly-coloured species, being conspicuous is seen have two main purposes – find mates, or warn predators that they may be poisonous.
The origins of the world’s sign languages can be traced back to six European lineages, scientists say.
Plants are better than animals at building new genes during periods of evolution, scientists say.
Dinosaurs gradually “shrunk” and paved the way for birds to evolve as warm-blooded creatures, new research claims.
Genetic data extracted from ancient teeth has shed light on the “evolutionary relationship” between a living orangutan and an extinct giant ape from about two million years ago.
Early human relatives may not have been as smart as the great apes of today, casting into doubt previous theory, a new study suggests.
A first edition of naturalist Charles Darwin’s seminal evolutionary work On the Origin of the Species has sold at auction for £162,500.
A new species of crocodile has been discovered among a collection of skulls in US and Australian museums.
The oldest genetic data ever to be recorded has been extracted from a 1.7 million-year-old rhino tooth.
The discovery of a 3.8 million-year-old skull is a “game changer” in the understanding of human evolution, scientists say.
Fossil bones and teeth found in the Philippines have revealed a long-lost cousin of modern people.
A new study has opened a door into discovering how birds evolved to have dazzling arrays of colourful plumage.
Teaching schoolchildren about genetics will improve their understanding of evolution, according to TV presenter Alice Roberts.
Tropical lizards have a stickability in high wind that puts TV weather reporters to shame. Now we know why, thanks in part to a high-powered leaf blower.
Birds had to rediscover flight all over again after the meteor strike that killed off the dinosaurs, scientists believe.
You can now see what the Earth looked like millions of years ago – thanks to an interactive map that lets you travel back in time.
Real-life “care bears” in Sweden have responded to human hunting by increasing the time they look after their cubs, researchers have found.
Ancient artifacts recently unearthed in Kenya could rewrite what we know about our early ancestors.
A tiny bird fossil, believed to be one of the smallest ever discovered, could give scientists a rare insight into how ancient birds evolved.
The size of the human brain has increased gradually and consistently over the past three million years, scientists say.
Gut instinct may be as vital to survival as having a big brain, new research suggests.
A new finch species has been observed evolving in the space of just two generations, challenging the general consensus that evolution is a slow process involving hundreds of thousands of years.
Mammals swapped nightlife for daytime after dinosaurs died off around 66 million years ago, a new study has suggested.
We may consider ourselves the smartest mammals on the planet but it turns out the energy demands of the human brain aren’t as special as previously thought.