FLASH SALE Get 20% OFF everything using the coupon code: FLASH20 View Pricing Plans →

With the dinosaurs gone, small, scurrying mammals seized the opportunity to evolve. The climate shifted, ice ages came and went, and land bridges appeared. Roughly , Homo sapiens emerged in Africa. In the blink of a geological eye, humans transitioned from using stone tools to building global civilizations and exploring the stars. 5. The Future

4. The Rise of Mammals and Humans (66 Million Years Ago – Present)

As the planet cooled, a solid crust formed. Steam from volcanic eruptions and ice-carrying comets condensed into the first . In these chemical-rich waters, the miracle happened: the first microscopic life appeared. Eventually, organisms called cyanobacteria evolved photosynthesis, pumping oxygen into the atmosphere for the first time—an event known as the Great Oxidation Event . 3. The Age of Complexity (541 – 66 Million Years Ago)

2. The First Breath and Water (4.0 – 2.5 Billion Years Ago)

The History Of The Earth -

With the dinosaurs gone, small, scurrying mammals seized the opportunity to evolve. The climate shifted, ice ages came and went, and land bridges appeared. Roughly , Homo sapiens emerged in Africa. In the blink of a geological eye, humans transitioned from using stone tools to building global civilizations and exploring the stars. 5. The Future

4. The Rise of Mammals and Humans (66 Million Years Ago – Present)

As the planet cooled, a solid crust formed. Steam from volcanic eruptions and ice-carrying comets condensed into the first . In these chemical-rich waters, the miracle happened: the first microscopic life appeared. Eventually, organisms called cyanobacteria evolved photosynthesis, pumping oxygen into the atmosphere for the first time—an event known as the Great Oxidation Event . 3. The Age of Complexity (541 – 66 Million Years Ago)

2. The First Breath and Water (4.0 – 2.5 Billion Years Ago)