Paleontologists have discovered and documented 16,600 footprints left by theropods, the dinosaur group that includes the Tyrannosaurus rex.

Paleontologists have made a discovery that can change how we understand dinosaurs. Despite centuries of research into ancient ...

A fossil reveals the existence of Athenar bermani, a new sauropod that redefines the family tree of Utah's giants.

A new dome-headed dinosaur speices found in Montana, Brontotholus harmoni, reveals unexpected clues about their evolution.

For over a century, the scientific literature has credited western missionaries with "discovering" fossils in Lesotho, the ...

WINONA, Minn. — It was a dinosaur that once roamed the Earth 66 million years ago, and now a big piece of it sits housed in a ...

After a career spent largely in the shadows, Field Museum ornithologist Dave Willard is enjoying a moment in the spotlight ...

A rare and nearly complete dinosaur mummy has been uncovered in Minnesota. This extraordinary find is being hailed as one of ...

Discover the extraordinary prehistoric giants – from mega-sloths to monster sharks – that once made today’s animals look ...

Paleontologists counted the record-setting tracks and uncovered evidence of dinosaurs swimming and dragging their tails along ...