Dinosaur footprints from 166 million years ago discovered in UK quarry - Discovery of almost 100 sauropod footprints over a ...

Scientists discovered true teeth growing on the head of the spotted ratfish, a distant shark relative. The toothed structure, called a tenaculum, helps males hold onto females during mating. Genetic ...

In the arid expanse of Mongolia’s Gobi Desert, scientists have unearthed a rare dinosaur fossil that challenges what we ...