Fossil fish provides new insights into the evolution

An international research team led by Giuseppe Marramà from the Institute of Paleontology at the University of Vienna discovered a new and well-preserved fossil stingray with an exceptional anatomy, which greatly differs ...

Did mosasaurs do the breast stroke?

Mosasaurs were true sea monsters of late Cretaceous seas. These marine lizards—related to modern snakes and monitor lizards—grew as long as fifty feet, flashed two rows of sharp teeth, and shredded their victims with ...

Researchers unearth 'new' extinction

A team of scientists has concluded that earth experienced a previously underestimated severe mass-extinction event, which occurred about 260 million years ago, raising the total of major mass extinctions in the geologic record ...

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