National Geographic news2y
The Permian extinction—when life nearly came to an end
Looy is one of many scientists trying to identify the killer responsible for the largest of the many mass extinctions that ... click of a camera shutter on a geologic scale of time.
PBS8y
Deep Time
The stretch of geologic history is commonly referred ... The more destructive and relatively sudden kind of extinction, the mass extinction event, is caused by environmental influences and has ...
New Scientist3y
The Triassic period
the dinosaurs were wiped out in a mass extinction event along with the majority of all other life. As a period of geologic time, the boundaries of the Triassic are defined on the basis of rocks ...
PBS2y
Deep Time
The stretch of geologic history is commonly referred ... The more destructive and relatively sudden kind of extinction, the mass extinction event, is caused by environmental influences and has ...