How did cockroaches survive the asteroid that led to the extinction of dinosaurs? – Kinjal, age 11, Delhi, India ...

But when an asteroid struck Earth 66 million years ago off the coast of what is now Mexico, dinosaurs went extinct – but some birds remained. You might wonder why.

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

This cleared the stage for dinosaurs to take over for the next 135 million years. This extinction was connected with massive volcanic eruptions caused by the breakup of the supercontinent Pangaea.

Witness the catastrophic event and its immediate aftermath that ended the age of dinosaurs.

An analysis of North America’s fossil record for the 18 million years before dinosaurs disappeared suggests the prehistoric creatures’ extinction wasn’t inevitable.