A newfound "chicken-size" dinosaur, recently unearthed in Wyoming, changes what paleontologists thought they knew about how ...

Researchers discovered Ahvaytum bahndooiveche fossils in Wyoming, revealing dinosaurs in Laurasia earlier than believed.

A quarry worker was stripping clay from the ground when he felt odd bumps—they turned out to be part of a ...

A “dinosaur highway" containing nearly 200 tracks that date back 166 million years was discovered in a limestone quarry southern England.

The oldest equatorial dinosaur in the world, and North America's oldest dinosaur, has been described in a new study. Dating ...

For years, scientists believed that dinosaurs first emerged in Gondwana—the southern portion of the ancient supercontinent ...

A chicken-sized dino, the oldest known in North America, has thrown a wrench in the widely accepted timeline of early ...

Ichthyosaurs were reptiles that swam in the seas during the time of the dinosaurs. They evolved separately around 250 million ...

The discovery of Archaeocursor asiaticus provides valuable insights into the early evolution and dispersal of ornithischian dinosaurs in Asia. The study paper reported that the fossilized remains of ...

A complete mastodon jaw was discovered in the backyard of a home in New York's Hudson Valley, marking the state's first such find in more than a decade, officials announced this week. The Stockton ...

A New York homeowner made a remarkable discovery in their backyard last September. The teeth from a complete mastodon jaw were peaking out of the soil. The stunning find near the hamlet of ...