Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

About 66 million years ago, dinosaurs ruled the Earth in a very different environment than we see today, with some creatures demonstrating indomitable power, while others thrived in different ways.

Scientists studied ancient fungal spores and discovered Earth may already have been under stress before the asteroid wiped out the dinosaurs.

The Cretaceous Era—roughly 145 to 66 million years ago—was the last hurrah of the dinosaurs. A massive asteroid impact brought them to a violent end, but there’s more to the story. The Cretaceous ...

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 ...

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 ...

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 had such an immense impact on Earth that their sudden extinction led to wide-scale changes in landscapes—including the shape of rivers—and these changes are reflected in the geologic record, ...

Dinosaurs have always been around in the human imagination. Whether it is through blockbusters like Jurassic Park or ...

In a remarkable geological find in Italy, a delicate clay layer was uncovered, marked by unusually high levels of iridium—a rare element on our planet but frequently found in meteorites. This ...

By Eric Washburn When I was a kid growing up in Aurora in the late 1960s and early 1970s, one of my favorite things to do was ...