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Newly discovered ''four-legged'' fossil sheds light on snakes' evolution

Scientist have found four-legged fossil of a snake that suggests that the slithery creatures may have evolved from burrowing ancestors.

Invertebrate numbers slashed by 45% on average over 3 decades

A new study has revealed that invertebrate numbers have decreased by 45 percent on average over a 35 year period in which the human population doubled.

How vertebrates developed faces millions of years ago

A team of French and Swedish researchers have presented new fossil evidence for the origin of our face.

How vertebrates evolved from sea to land

A new study has suggested that vertebrate locomotion has evolved from the simple left-right bending of the body exemplified by lampreys to the appearance of fins in bony fish to the movement of humans, with the complex nerve and muscle coordination necessary to move four limbs.

X-rays help reassemble backbones of 1st vertebrates

Scientists have been able to reconstruct, for the first time, the intricate three-dimensional structure of the backbone of early tetrapods, the earliest four-legged animals.

Conservation hope as vertebrates face extinction

Scientists say that conservation efforts are having an impact on slowing the extinction of vertebrates.

Mass fish extinction paved way for modern vertebrates

A new study says that modern-day lizards, snakes, frogs and mammals - including humans - owe their existence to a mass extinction of fish 360 million years ago.