The Chicxulub asteroid crater supported marine life for 700,000 years, showing that some mass extinction events may help life ...

The menacing asteroid that wiped out non-avian dinosaurs ... in diameter occur every 10,000 to 20,000 years. A "dinosaur-killing" impact from a rock perhaps a half-mile across or larger happens ...

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be ...

Davide Bonadonna Diversity is central to one of the biggest questions paleontologists have about dinosaurs. Namely, were these ancient creatures already on the decline when that fateful asteroid ...

About 66 million years ago, an asteroid slammed into the planet, wiping out all non-avian dinosaurs and about 70% of all marine species. But the crater it left behind in the Gulf of Mexico was a ...

Dinosaurs weren't in decline when an asteroid smashed into Earth and wiped them out, scientists say. Instead, the idea that dinosaur diversity was declining before the asteroid struck 66 million ...

Dinosaurs likely weren’t declining before an asteroid wiped them all out; instead, there may just be limited fossils from that time period, according to a new study. It has been hotly debated ...

"Dinosaurs were probably not inevitably doomed to extinction at the end of the Mesozoic," Chiarenza said. "If it weren’t for that asteroid, they might still share this planet with mammals ...

A new study suggests that dinosaurs likely weren't in decline before an asteroid wiped them out 66 million years ago; instead, there may just be limited fossils from that time period, challenging ...

The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be explained by a worsening fossil record from that time rather than a genuine ...

The idea that dinosaurs ... the asteroid impact. But the research team found this trend was due to fossils from that time being less likely to be discovered, primarily because of fewer locations ...