Add Yahoo as a preferred source to see more of our stories on Google. A gravitational tug involving Earth's inner core may explain why the planet's day length shifts by milliseconds over decades.

The day is something which appears to be very concrete among all objects in this world. Midnight comes right after 11:59; time moves for 24 hours, and then the process repeats itself. However, the ...

A battle of forces, driven by the motion of Earth’s core, can explain small variations in the planet’s rotation, study finds.

(NEXSTAR) – Deep in the center of the Earth is the inner core, which spans roughly 746 miles and is composed of primarily pure, solid iron, NASA explains. Though we’ve long believed – and research has ...

Earth's length of day swings a few milliseconds over 60 to 70 years, and a 2026 Nature study ties it to the inner core's gravitational pull on the mantle ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock A day is supposed to last 24 hours, but Earth does not keep time quite that neatly. A new study found that ...

The center of the Earth has begun to rotate in the opposite direction.Seeing a headline like that makes one a bit wary. Did a ...

Scientists reveal Earth's inner core rotation is slowing and reversing, driven by outer core convection and mantle gravity. asim alnamat/Pexels ...

The Earth's inner core seems to be solid. But what shape is it?”I started investigating from that simple question.Is it a ...

New research reveals that Earth’s solid inner core is actually in a superionic state, where carbon atoms flow freely through a solid iron lattice. This unusual behavior makes the core soft, matching ...

An international research team may have found an explanation for seismic anomalies, the noticeable deviations in the behavior of earthquake waves, in Earth's inner core. A team led by scientists from ...

Tiny changes in Earth’s rotation may reveal a tug-of-war between its deformable inner core, liquid outer core and deep mantle.