We humans use the euphemism for sex that "we like to get a leg over" but the first jawed vertebrates – the placoderms – they liked to get a leg in. They were the first back-boned creatures to evolve ...

In the limestone ranges of Western Australia's Kimberley region, near the town of Fitzroy Crossing, you'll find one of the world's best-preserved ancient reef complexes. Here lie the remnants of ...

A recent analysis of placoderm fossils — an early jawed vertebrate — shows that the animal kingdom’s first genital organ was a “clasper” that evolved from an extra set of legs, and that the first ...

Origins of life The sexual act where two creatures physically join together to create new life first began 385 million years ago, according to a new fossil study. The extinct Devonian-age armoured ...

The origin of sex might not be as sexy as we’d like to think; picture two tiny fish called Placoderms in a chilly Scottish lake and it's hardly a steamy scene. But what is hot news is the discovery by ...

Fearsome fish The jaws of a prehistoric armoured fish were filled with teeth very similar to our own, x-rays have revealed. The study resolves a long-held debate about whether or not placoderms, ...

Scientists estimate more than 99 per cent of all species that have ever existed on Earth are now extinct. Only a handful of them have been preserved as fossils. Fossils are ancient organisms’ ...

Editor's Note: This article first appeared at The Conversation. We humans use the euphemism for sex that “we like to get a leg over” but the first jawed vertebrates – the placoderms – they liked to ...

In the limestone ranges of Western Australia’s Kimberley region, near the town of Fitzroy Crossing, you’ll find one of the world’s best-preserved ancient reef complexes. Here lie the remnants of ...

Editor's Note: This article first appeared at The Conversation. We humans use the euphemism for sex that “we like to get a leg over” but the first jawed vertebrates – the placoderms – they liked to ...