Evolution19 Nov 2025First kiss dates back 21 million years, say scientists A new study looks at how the mouth-on-mouth smooch came into being, and concludes that Neanderthals also kissed. 19 Nov 20251 Nov 2025The mystery of why leaves change colourAlthough the chemistry of autumn colours is well understood, there is an ongoing debate among scientists about why trees evolved their vivid autumn colours in the first place.1 Nov 202517 Oct 2025Why does evolution keep creating 'imposter crabs'?'Crabs' are a collection of decapods that have evolved over millions of years to look the same.17 Oct 20259 Oct 2025Naked mole rats' DNA could hold key to long lifeThe bald, subterranean rats are the world's longest-lived rodent. 9 Oct 202529 Aug 2025How the 'Hobbit' human species was discoveredWitness History looks back at the 2003 discovery of the Homo floresiensis on the Indonesian island of Flores.29 Aug 20255 Aug 2025Gorillas seek out old female friends even after years apartA study in Rwanda reveals the significance of a social connection between female mountain gorillas. 5 Aug 20254 Aug 2025Mission begins to save snails threatened by own beautyResearchers in Cuba and the UK are working together to reveal the biological secrets of the beautiful but endangered Polymita snail. 4 Aug 202511 Jul 2025Timepiece linked to Darwin voyage cannot leave UKThe export bar is designed to allow a UK gallery or institution to buy the pocket chronometer.11 Jul 20254 Jul 2025The body parts evolution still can't explainHuman testicles are much smaller, in proportion, to some of our primate cousins. Evolution can tell us why. But the size of other body parts is a little bit more of a mystery.4 Jul 2025...