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 years ...

The arrow doesn't just go in one direction." Dinosaurs became extinct after a large asteroid slammed into the Yucatan Peninsula. Scientists looking for evidence of the asteroid saw that the rocks ...

So in one way, dinosaurs never went extinct; they just turned into birds. However, in the stricter sense of the word, dinosaurs had a whole combination of anatomical and behavioral characteristics ...

When it comes to dinosaur extinction, the working idea is what’s called the bolide impact. This is the hypothesis that a meteorite came to the surface of the Earth, hit the Earth and led to the ...

Megalodons—the iconic extinct sharks that dominated the ocean millions of years ago—have been portrayed in Hollywood blockbusters and sci-fi novels as oversize great white sharks. But new research ...

One of the most surprising effects of the cascade of changes was...fruit? One of the most surprising effects of the cascade of changes that played out in the wake of dinosaur extinction may have been ...

When the big asteroid hit Mexico 66 million years ago, it set off wildfires, tsunamis and massive clouds of dust that darkened the skies, killed much of Earth’s plant life and triggered a chain of ...

Rocks formed immediately before and after non-avian dinosaurs went extinct are strikingly different, and now, tens of millions of years later, scientists think they’ve identified the culprit—and it ...

Dinosaurs’ extinction “re-engineered” Earth’s surface, according to new research. The reptiles had such an “immense” impact on the planet that their sudden exit led to wide scale changes in landscapes ...