Usually, tornadoes in the U.S. rotate counterclockwise. Coriolis force, imparted due to the Earth’s rotation, causes air around low centers to circulate counterclockwise in the northern hemisphere.

Spain and Portugal are taking a turn. The Iberian Peninsula sits on a boundary between two large tectonic plates that are being stressed by a variety of forces, and because of this, the peninsula is ...

Plate tectonics can be visualized like large moving parts on the earth’s crust. The constant movement of the plates causes major stresses, and, as a result, deformations or earthquakes occur on the ...

Discover the only planet in our solar system that rotates clockwise. Learn why this 'rebel' planet spins backwards, how a collision changed its history, and why its days are longer than its years.