Extinctions

Are we alone? This course introduces core concepts in astronomy, biology, and planetary science that enable the student to speculate scientifically about this profound question and invent their own solar systems. All the features of this course are available for free. It does not offer a certificate upon [...]

This course introduces you to the five mass extinctions of the pre-human past, their causes and significance to the history of life on earth, and the current mass extinction happening during our time. We’ll also explore the history of paleontology and geological study and review the key players that [...]

The Origins course tracks the origin of all things – from the Big Bang to the origin of the Solar System and the Earth. The course follows the evolution of life on our planet through deep geological time to present life forms.

Discover the diversity of life on earth, the impacts of five past mass extinctions and the prospect of a sixth extinction today. This free online course explores how life on earth has been shaped by five mass extinction events in the distant past. At present, biodiversity is facing a [...]