What are the major events in Earth's history?

What are the major events in Earth's history?

Earth's history is marked by several key events, including the formation of the planet about 4.5 billion years ago, the emergence of life around 3.5 billion years ago, and the mass extinction events that shaped biodiversity.

Can you tell me more about the mass extinction events?

Sure! The most famous mass extinction is the one that occurred 66 million years ago, leading to the extinction of the dinosaurs. Other significant events include the Permian-Triassic extinction around 252 million years ago, which wiped out about 90% of species.

What caused the dinosaurs to go extinct?

The leading theory is that a massive asteroid impact caused dramatic climate changes, but volcanic activity and changing sea levels also played a role.

How did life evolve after the dinosaurs?

After the dinosaurs went extinct, mammals began to diversify and evolve, leading to the rise of various species, including primates and eventually humans.