Mass Extinctions - Earth Discover

An artist's illustration showcases the impressive size and diversity of dinosaurs, with 13-foot-tall (4 meters) Diplodocus grazing in shallow waters beneath flying Pterosaurs, dominant land vertebrates for over 135 million years

c. 200-65 Million BCE: Dinosaurs – The Reign of Ancient Giants

Exploring the rise of dinosaurs post-Permian and Triassic extinctions, this article highlights their evolution from small bipedal predators to diverse, dominant species, culminating in their extinction 65 million years ago, with birds as their living [...]

An artist's depiction of Megazostrodon, a small, furry, shrew-like early mammal, encountering a scorpion, first appearing in the fossil record around 200 million years ago

c. 220 Million BCE: The Evolutionary Journey of Mammals

Tracing mammals' evolution, this article highlights their origins from synapsids in the Pennsylvanian period, their survival through the Great Dying, and the rise to dominance post-dinosaur extinction, aided by unique characteristics and environmental changes

This image displays fossilized remains, encased in lithified seafloor sediments, of exoskeletons and other hard-shelled body parts from organisms that emerged around 550 million years ago. These fossils are indicative of the "Cambrian explosion," a period that saw a significant increase in life's diversity on Earth.

c. 550 Million BCE: Unraveling the Mysteries of the Cambrian Explosion

Explores the Cambrian Explosion, a pivotal period about 550 million years ago marked by a dramatic increase in life's diversity, including the emergence of hard-shelled eukaryotic organisms, and discusses the mass extinctions that followed