It’s obvious a 95 million-year-old fossil would have a rich past — but what a CNN writer discovered about a dinosaur tooth he bought for about $100 was more than he anticipated.

The ostentatious spikes of a newly described ankylosaur fossil suggest that its armor evolved via sexual selection.

Gnatalie, the world’s only green dinosaur fossil, will go on view November 17 in a new wing of the Natural History Museum in Los Angeles.

Fossilized dinosaurs are emerging as a new asset class, subject to the whim of the market, exposed to the laws of supply and demand.

By Jacopo Prisco, CNN (CNN) — It stands to reason that a 95 million-year-old tooth shipped to my home would have a rich past. But what ensued after I bought it online for about $100 revealed how ...