A 125-million-year-old fossil reveals a newly discovered dinosaur covered in unusual spikes scientists have never seen before.

Fossilized footprints are among the most abundant traces dinosaurs left behind. But linking a track to its corresponding ...

The “mesozoic cow” was a dinosaur with hundreds of ever-replacing teeth. Here’s how its uniquely adapted skull allowed it to graze like cattle on low vegetation.

SCOTLAND -- This little guy is a big fan of dinosaurs and you can really tell. His uncanny knowledge of these thunder lizards allows him to name each toy dinosaur by sight as his mother presents them.

You've seen dinosaurs before. But for an Oklahoma State University student, he discovered an entirely new dinosaur species. And he got to name it. "Eoneophron infernalis," Kyle Atkins-Weltman, a PhD ...

Paleontologists in England discovered the existence of a new marine species that roamed the Earth before the dinosaurs and nicknamed the headless arthropod “Sue” after one of their mothers, according ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American You had no reason to expect a good weekend as ...

A new study sheds light on how these reptiles become “mummies” and paints a picture of what these ancient animals looked like. Paul Sereno and his colleagues spent years painstakingly preparing this ...

Discover 10 crazy prehistoric animals that once ruled the world millions of years ago - and they're not dinosaurs ...