Mammal bites dinosaur in 'once-in-a-lifetime' fossil find

A badger-like mammal was sinking its teeth into the ribs of a dinosaur three times its size when they were buried in volcanic ash 125 million years ago, capturing the pair in a deadly embrace.

Newly identified theropod dinosaur had strange hands

A team of archaeologists and paleontologists affiliated with several institutions in China, working with a colleague from Italy, has identified a new species of theropod dinosaur with strange hand features. In their paper ...

A predatory dinosaur from Brazil and its surprising anatomy

Irritator challengeri was a two-legged, meat-eating dinosaur, or more precisely—a spinosaurid. The knowledge of the species is based on the most complete fossil skull known from this group. With the aid of X-ray computed ...

New details of Tully monster revealed

For more than half a century, the Tully monster (Tullimonstrum gregarium), an enigmatic animal that lived about 300 million years ago, has confounded paleontologists, with its strange anatomy making it difficult to classify. ...

How birds got their wings

Modern birds capable of flight all have a specialized wing structure called the propatagium without which they could not fly. The evolutionary origin of this structure has remained a mystery, but new research suggests it ...

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