Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

Before the advent of radium, geologists had not recognized the difficulties presented by the peculiar chemical constitution of the earth's crust ... rejection of the facts, but simply a re ...

Beyond the outer core lies the mantle, a 1,800-mile-thick layer of viscous molten rock on which Earth's outermost layer, the crust, rests. On land, the continental crust is an average of 19 miles ...

Scientists of course cannot cut into Earth and directly observe its insides. Instead, their knowledge is inferred from the ...

Research on hidden structures deep within Earth’s mantle challenges theories about our planet’s middle layer and could ...

The tectonic plate theory is widely accepted, but what has remained a topic of hot debate is when exactly the movement of these gigantic plates first began, transforming Earth from a sphere of ...

The Earth has a layered structure made up of the core, the mantle and the crust. Different elements are present in different parts of the Earth’s structure. The crust is made from enormous ...