Located 3,000 miles below the Earth's surface, the inner core is anchored by gravity within the molten liquid outer core. Until now the inner core was widely thought of as a solid sphere.

Earth’s innermost layer is a hot, solid ball of metal surrounded by a liquid metal outer core ... expands into a red giant and swallows the inner planets of the solar system, Vidale said.

Current theories of planetary formation describe inner planets as composed of more dense material since lighter elements are driven to outer reaches of the system. The outer planets by contrast ...

It's lined with mucous and helps regulate pressure around the eardrum so that sound waves can be transferred. Ears can vary, so what's considered normal anatomy of the inner or outer ear in one person ...

Researchers have found evidence of changes in the structure of the Earth’s core. University of Southern California team, led by Professor John Vidale, was investigating the inner core’s ...

It consists of two main parts–a liquid outer core and a more solid inner core. The outer layer is made of liquid iron-nickel and is responsible for producing Earth’s magnetic field.

A new study finds evidence that the inner core’s outer boundary has noticeably changed shape over the past few decades. “The most likely thing is the outer core is kind of tugging on the inner ...

Earth’s interior is like a giant layer cake with four main layers: the crust, mantle, outer core, and inner core. The crust is the thin, outermost layer where we live, and it’s broken into massive ...

New research reveals Earth’s inner core may be deforming due to outer core turbulence, altering its structure and rotation. A new study reveals that the Earth’s inner core is undergoing a structural ...

Earth’s inner core was long thought to be a solid sphere of mostly iron anchored by gravity within the molten liquid outer core. Scientists have long debated whether this massive ball rotates at a ...

Anything from human anatomy to the vast limitless space ... and the difference between inner and outer planets. By comparing the planets, students grasp mathematical concepts like size, distance ...