Researchers have debated for decades what caused the dinosaur extinction. A space rock about 10 kilometers wide that struck Mexico's Yucatan region is often blamed for the mass extinction of dinosaurs about 66 million years ago. However, a new study says it was a combination of catastrophes that caused the dinosaur doom. The giant asteroid strike was immediately followed by a vast volcanic eruption about 15,000 kilometers away from Mexico, in India. The asteroid impact intensified volcanoes in India Scientists led by Paul Renne of the University of California, Berkeley said the two events were closely related. Findings of the study were published... More