We love a nice optical illusion (if you hadn't noticed), and happily the internet is full of people creating little gems to trick our eyes. Anyone wanting to create their own won't want to miss this ...

To learn why, where, and how earthquakes happen, you need to familiarize your students with the interior of the Earth and a model called plate tectonics. The engine behind the earthquake machine is ...

The extreme conditions of inner Earth make it impossible to explore. But seismic waves during earthquakes, volcanic eruptions and light waves from the Sun all have helped reveal fascinating insights ...