Add Yahoo as a preferred source to see more of our stories on Google. New ‘hell chicken’ species upends understanding of dinosaur extinction A young scientist has described his astonishment at ...

Add Yahoo as a preferred source to see more of our stories on Google. Millions of years ago, a bird-like dinosaur, known as the “chicken from Hell,” roamed the North American continent. Weighing ...

There is a dinosaur known as the chicken from hell. You will be stunned when I tell you that is not the scientific name. It was huge - weighed more than 600 pounds. It looked like a bird with a beak ...

Scientists have long debated whether dinosaur populations were already on the decline before an asteroid dealt the final blow. Mark Stevenson/Universal Images Group/Collection Mix: Subjects/Getty ...

NPR's Mary Louise Kelly speaks with Kyle Atkins-Weltman, a PhD student of paleoecology at Oklahoma State University, about a newly discovered dinosaur dubbed the "chicken from hell". There is a ...