Among the 8,000 fossil records examined, Ceratopsians, including horned dinosaurs like Triceratops, were the most common, which may indicate a thriving population prior to the asteroid impact.

A stock illustration depicts the dinosaur-extinction event with debris raining down. Scientists think the asteroid impact would have sparked wildfires over a huge distance within minutes.

The devastating asteroid strike that killed off the dinosaurs may have triggered a ... excavating a massive 180 km (110 mile) wide impact crater in what would later become the Yucatan Peninsula.

Dinosaurs weren't in decline when an asteroid ... barring a catastrophic event such as the asteroid impact. Rather, the Maastrichtian may have had poorer geological conditions for fossilization ...

The aftereffects of the collision resulted in the extinction of an estimated 75% of animal species, including most dinosaurs ... The impact created a cloud of dust composed of the asteroid itself ...

A new study challenges the idea that dinosaurs were declining before the asteroid impact. Researchers at UCL Earth Sciences examined thousands of fossils. They found fewer accessible rocks from ...

Earth descended into an "impact winter ... Karatekin said. The asteroid, estimated at 6-9 miles (10-15 km) wide, brought a cataclysmic end to the Cretaceous Period. The dinosaurs, aside from ...

The 66 million year-old impact crater is the site where a massive asteroid struck the Earth, wiping out the dinosaurs and about three quarters of all life on Earth. But new evidence shows that it ...

Our findings hint that, in this region at least, dinosaurs may have been doing better than previously suggested in the lead-up to the asteroid impact, potentially with a higher diversity of ...