Researchers studying decades of earthquake data say they have found the first evidence that, in addition to spinning backward ...

The findings shed light on a deeply mysterious part of Earth that is key to life on our planet.

Scientists found that the inner core’s structure changes as it rotates. It deforms at its border, potentially accumulating more material in some areas and less in others — almost like creating hills ...

Scientists infer features of this innermost geographic layer—like the fact that it’s divided into a liquid outer core and a solid inner core—by analyzing how it distorts seismic waves caused ...

Now, scientists believe that Earth’s inner core might be less solid than we previously thought. The findings are detailed in a study published February 10 in the journal Nature Geoscience and ...

However, what that deformation of the inner core might look like is harder to pin down. “Maybe the topography is going up and down. Maybe it’s sloughing around like landslides,” Vidale said.