Of all the mysteries surrounding dinosaurs, none has sparked more debate than how their era ended—was it a gradual decline or a sudden catastrophe? A new study led by Andrew Flynn of New Mexico State ...

For decades, many scientists believed dinosaurs were already dwindling in number and variety long before an asteroid strike sealed their fate 66 million years ago. But new research in the journal ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study reveals dinosaurs in New Mexico were thriving just before the asteroid impact that ended their reign, overturning long ...