“It’s been a subject of debate for more than 30 years — were dinosaurs doomed and already on their way out before the asteroid hit?” Dean said in a statement. “We analysed the fossil ...

But what if I told you that the dinosaurs were already doomed well before that asteroid hit? According to this new study, the dinosaurs were already doomed because sulfur levels in the atmosphere ...

Yet, he says, this doesn’t change the bigger picture of dinosaurs being in decline before the asteroid hit. Even if dinosaurs were still populous and dominant towards the end of the Cretaceous ...

Lead author Dr. Chris Dean (UCL Earth Sciences) said, "It's been a subject of debate for more than 30 years—were dinosaurs doomed and already on their way out before the asteroid hit?

Other factors, most notably a vulnerable sub-population of big plant eaters, essentially left the dinosaurs ripe for the asteroid wipe-out. "If the asteroid hit five million years later or earlier ...

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 ...

WASHINGTON, Dec 8 (Reuters) - The age of dinosaurs ended in cataclysm one spring day 66 million years ago when an asteroid 7.5 miles (12 km) wide hit Mexico's Yucatan peninsula, triggering the ...

but it's clear that different dinosaur faunas were living on other landmasses when the asteroid hit," Lamanna said. "For instance, marine rocks that date to the latest Mesozoic in Morocco have ...

"It wouldn't be something like the rock that killed the dinosaurs," Harwood ... When concerns over the asteroid were first raised, there was a possibility it could hit over the eastern Pacific ...

The asteroid that struck Earth 66 million years ago, wiping out three-quarters of the planet's plant and animal life (most famously the dinosaurs ... that the impactor hit granite-rich crust ...