For a long time, scientists thought the Earth's inner core was a solid ball of metal, sort of like a planet within a planet that sits some 3,000 miles (4,828 kilometers) below the surface.

“Later on, I’d realize I was staring at evidence the inner core is not solid.” The breakthrough came from comparing seismic recordings at two different locations in North America. The ...

“Later on, I’d realize I was staring at evidence the inner core is not solid.” Other than producing the Earth's magnetic field, Vidale admitted that what happens to the Earth's inner core ...

A new study of decades worth of seismogram data shows that the surface of Earth’s iron and nickel core is more malleable than scientists thought.

LOS ANGELES — USC scientists have made a groundbreaking discovery about the nature of the Earth’s enigmatic inner core, revealing for the first time that this 1,500-mile-wide ball of iron and ...

Scientists have confirmed that the Moon has a solid inner core with a density similar to iron. The core's structure mirrors that of Earth's, with a fluid outer layer and solid inner core ...

Scientists have identified another possible commonality between Earth and Mars: a solid inner core. Scientists have ...

"Later on, I'd realize I was staring at evidence the inner core is not solid." Further, the data showed that the inner core had been moving and not behaving like a solid ball of metal. Visualizing ...

“Later on, I’d realize I was staring at evidence the inner core is not solid.” The study used seismic waveform data - including 121 repeating earthquakes from 42 locations near Antarctica ...

"Later on, I’d realize I was staring at evidence the inner core is not solid." Once Vidale's team improved the resolution technique, they found the seismic waveforms "represented additional ...