Curiosities

Sat, 2016-11-19

The Cretaceous–Paleogene (K–Pg) extinction event, also known as the Cretaceous–Tertiary (K–T) extinction, was a mass extinction of some three-quarters of the plant and animal species on Earth that occurred over a geologically...

Sat, 2016-11-19

The Snowball Earth hypothesis proposes that Earth’s surface became entirely or nearly entirely frozen at least once, sometime earlier than 650 Mya (million years ago).

Sat, 2016-11-19

A flood basalt is the result of a giant volcanic eruption or series of eruptions that coats large stretches of land or the ocean floor with basalt lava.

Sat, 2016-11-19

The evolutionary history of life on Earth traces the processes by which living and fossil organisms have evolved since life appeared on the planet, until the present day.

Sat, 2016-11-19

Fossils are evidence of ancient life forms or ancient habitats which have been preserved by natural processes.

Sat, 2016-11-19

Impact events, proposed as causes of mass extinction, are when the planet is struck by a comet or...

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