(Reuters) - Scientists in Australia have unearthed beautifully preserved fossilized hearts and other internal organs of ancient armored fish in a discovery that provides insight into the evolution of ...

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 ...

BANGKOK, Thailand -- The fossilized remains of two pregnant fish indicate that sex as we know it — fertilization of eggs inside a female — took place as much as 30 million years earlier than ...

WASHINGTON (Reuters) - A bottom-dwelling, mud-grubbing, armoured fish that swam in tropical seas 423 million years ago is fundamentally changing the understanding of the evolution of an indisputably ...

Did you know that your knees, hips, and fingers all rely on the same type of joint that evolved hundreds of millions of years ...

A team of Australian scientists has discovered the world’s oldest heart, part of the fossilized remains of an armored fish that died some 380 million years ago. The fish also had a fossilized stomach, ...

BANGKOK, Thailand (AP) - February 25, 2009 Scientists from Australia and Britain studying 380 million-year-old fossils of the armored placoderm fish, or Incisoscutum richiei, said they were initially ...