NPR's Ayesha Rascoe talks to John Vidale, professor of earth sciences at the University of Southern California, about new research suggesting the rotation of Earth's inner core may be slowing down.

Scientists say they’ve confirmed Earth’s inner core has been slowing down. Here’s what it could mean — and why the topic has been the subject of fierce debate.

Find Earth Rotation Speed Latest News, Videos & Pictures on Earth Rotation Speed and see latest updates, news, information from NDTV.COM. Explore more on Earth Rotation Speed.

The rotation, direction and pace of Earth’s solid metallic inner core have divided scientists for decades, as it’s impossible to observe or sample it directly.

A new study from USC scientists reveals Earth's inner core is undergoing structural transformation. ... which may cause minute changes in Earth’s rotation and subtly affect the length of a day.

S cientists have raised concerns that the Earth's inner core may completely halt its rotation by 2040, according to a recent paper published in Nature. The study suggests changes are occurring ...

The inner core is made of solid iron-nickel about 3,000 miles below the surface of the Earth. Scientists believe that the inner core’s rotation began to slow down in 2010 , but what that really ...

Scientists say they’ve confirmed Earth’s inner core has been slowing down. Here’s what it could mean — and why the topic has been the subject of fierce debate.

This inner core has intrigued researchers since its discovery by Danish seismologist Inge Lehmann in 1936, and how it moves — its rotation speed and direction — has been at the center of a ...

(CNN) — Deep inside Earth is a solid metal ball that rotates independently of our spinning planet, like a top whirling around inside a bigger top, shrouded in mystery. This inner core has ...