Usually, geologic layers build on one another, with younger rocks piling on top of older ones. A new study, however, shows ...

Earth's layers can be assigned according to chemical composition (what they're made of) or mechanical properties (rock strength and elasticity). Earth is made up of several layers.

Is Earth's inner core solid or liquid? While the inner core is extremely hot, experts have known that it is solid for many ...

Scientists have long wondered what lies at the center of the Earth. New research is putting weight behind a theory that our home planet has a distinct ball of iron within its metallic core.

Earth's inner layers have just got a bit more complicated, with scientists discovering a whole new inner core within the center of the planet. Research released on February 21 in the journal ...

Earth’s core seems to be surrounded by enigmatic layer, geologists say Jagged region sits at boundary between liquid and solid rock and might be remnants of ancient seafloor ...

Over the past two centuries, humans have locked up enough water in dams to shift Earth's poles slightly away from the ...

The Earth’s interior is far more complex than what we are taught in school. Instead of just three layers- crust, mantle, and core- the Earth is made up of multiple intricate layers, each with ...

The monumental finding suggests the Earth has five major layers instead of four, and offered new details scientists could use to help unlock some of the oldest mysteries about our planet and how ...