A newly described fossil reveals that leeches are at least 200 million years older than scientists previously thought, and that their earliest ancestors may have feasted not on blood, but on smaller ...

It’s the latest find to make such an assertion. For decades, common scientific knowledge has held that homo sapiens—human beings as we know them today—evolved in Africa some 200,000 years ago. But a ...

Named for its razor-like teeth, Novaculadon mirabilis came from a rodent-like order that outlived the dinosaur extinction before vanishing about 30 million years ago. By Sara Novak Around 145 million ...

New research has uncovered a species of hook-toothed lizard that lived about 167 million years ago and has a confusing set of features seen in snakes and geckos—two very distant relatives. One of the ...

The world’s most expensive dinosaur fossil — found in 2022 in Colorado — is headed to a museum in New York City. “Apex,” a nearly complete set of stegosaurus fossils, sold for nearly $45 million at ...

Alex Gladis, known as the Fossil Guy, has given 744 free presentations about fossils and Native Americans of the southwest. For 40 years, Gladis has shared his passion – and he is still going, ...

The fossil is still being excavated at Bone Cabin Quarry in Wyoming. Courtesy Rally “As we’ve seen the privatization of some of these dinosaurs be way more publicized, people are realizing they can ...

Far from being the climate-action champion we expected him to be, Prime Minister Mark Carney seems to have swallowed his ...