These five mass extinctions, also known as "the Big Five," have shaped the course of evolution and dramatically altered the diversity of life on Earth. But what reasons lie behind these catastrophic events?
The history of Earth is a fascinating tale of constant change and evolution. Over billions of years, the planet has undergone dramatic transformations, shaped by geological forces and the emergence of life. To understand this history, scientists have developed a framework known as the geological time scale.
The human history timeline is a chronological summary of the major events and developments in human civilization. It begins with the emergence of early humans and continues through various civilizations, societies, and key milestones such as the invention of writing, the rise and fall of empires, scientific advancements, and significant cultural and political movements.