About a billion years ago, Earth started to come into its own. It was past the awkwardness of its younger years full of ...

Asteroid impacts may have helped make Earth habitable. (Discovery Access/Getty Images) Somehow, on this beautiful blue marble ...

The colossal movements of tectonic plates shape our world, influencing the composition of Earth’s atmosphere, the planet’s protective magnetic field and perhaps even the flourishing of life. Now ...

Explore 25 Major Events in Earth's 4.5 Billion Year History. Discover pivotal moments from its formation to the rise of life.

New research suggests Earth’s first complex life stayed close to the seafloor and depended on oxygen to survive.

Earth’s earliest microbes may have built vital chemistry around molybdenum, a metal thought too scarce to matter in ancient ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Precambrian time covers the vast bulk of the Earth's history, starting with the planet's creation about 4.5 billion years ago and ending with the emergence of complex, multicelled life-forms almost ...

Earth was mostly devoid of oxygen for much of its 4.5 billion year lifetime. That is, until certain processes started to ...