These ancient cores may contain clues about an unexplained change in Earth’s glacial-interglacial cycles, and could shed ...

For much of the planet’s recent geological history, ice ages came and went every 41,000 years. Then, during a period ...

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

Previous research has found that the make-up of Earth's Ru changed during the later stages of the planet's formation as it accumulated more material, so the Ru locked away in the core is slightly ...

Earth’s core is transforming, ... “After decades of research and debates, we are coming to an ever-clearer picture of the changing inner core,” says Xiaodong Song, ...

When his team members embarked on their research, they did not expect to document structural changes to the Earth’s inner core. Instead,they were focused on learning more about the slowing of ...

New research published in the journal Nature Geoscience found that the core's shape has shifted during the past 20 years. ... Earth's core has been a growing topic of interest.

Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and ...

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 ...

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.

Earth's core mystery solved: How solid rock flows 3,000 kilometers beneath us. ScienceDaily . Retrieved July 12, 2025 from www.sciencedaily.com / releases / 2025 / 06 / 250608222155.htm ...