Understanding Earth's Crust Earth's crust ranges from 5 to 70 kilometers in thickness and serves as the planet's outermost ...

The Earth’s crust is made of pieces call the tectonic plates. These plates move and shift and change to the face of the planet. How do they move and how fast? Science Trek is available to stream on ...

Saturn’s largest moon Titan is the only place other than Earth known to have an atmosphere and liquids in the form of rivers, lakes and seas on its surface. Because of its extremely cold temperature, ...