Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucat n Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the early ...

Researchers have analyzed the soft tissue from a fossilized plesiosaur for the first time. The results show that the long-necked marine reptile had both smooth and scaly skin. This was likely so it ...

To create a fish skeleton, start with a whole fish that has a well-defined bone structure. Common choices include tilapia, mackerel, or trout, as they have visible and sturdy bones. Fresh fish is ...