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Earth's core seems to be wrapped in layers like an onion, study finds

Seismic waves passing through Earth's inner core have revealed much about our planet's iron center: how it's changing shape, ...
Phys.org

Earth's inner core: Nobody knows exactly what it's made of, but now we've started to uncover the truth

The iron-rich core at the center of our planet has been a crucial part of Earth's evolution. The core not only powers the magnetic field which shields our atmosphere and oceans from solar radiation, ...
Yahoo

Earth’s inner core undergoing structural changes, affecting length of days

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 rotation – a ...

Silicon and carbon in iron may explain the onion-like layering of Earth’s inner core

Earth’s inner core has long puzzled scientists because seismic waves move through it unevenly. Compressional waves from ...
Yahoo

‘It’s almost science fiction’: Scientists say the shape of Earth’s inner core is changing

A wealth of new information about Earth’s inner core has surfaced in recent months. Scientists now have evidence that the planet’s innermost layer is changing shape. Scientists who just months ago ...
Yahoo

Scientists discover Earth's inner core isn't just slowing down — it's also changing shape

The surface of Earth's inner core may be shape-shifting, new research suggests. The study, published Feb. 10 in the journal Nature, looked at earthquake waves that have skimmed the edge of the inner ...
Live Science

We are just beginning to discover what Earth's inner core is really made of

Earth's core cannot be made just of iron — it also appears to contain carbon. And our research suggests it may contain a bit of oxygen and possibly silicon as well. When you purchase through links on ...
The New York Times

Scientists Detect Shape-Shifting Along Earth’s Solid Inner Core

The new research adds to the mysteries of the planet’s deepest interior region. By Kenneth Chang The inner core at the center of the Earth, a ball of iron and nickel about 1,500 miles wide, may not be ...
Science Daily

Earth’s inner core exists only because of carbon

Earth's inner core, the solid iron-rich mass at the center of our planet, is slowly growing as the surrounding molten outer core cools and freezes. But this process has been a source of debate amongst ...
Popular Science

Earth’s inner core is less solid than we thought

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Earth’s core is pretty dynamic. Its spin speeds up and slows down ...
The Conversation

Earth’s inner core: nobody knows exactly what it’s made of – now we’ve started to uncover the truth

Alfred Wilson-Spencer receives funding from the Natural Environment Research Council (NERC) grants NE/T000228/1 and NE/V010867/1. He works for the University of Leeds. The iron-rich core at the centre ...