Researchers studying decades of earthquake data say they have found the first evidence that, in addition to spinning backward, Earth’s inner core in changing shape.

Earth’s inner core is changing shape, scientists have found.

Scientists at the University of Southern California have discovered the Earth's core is changing shape after analysing earthquake data.

The mysteries of Earth’s inner core have long been a topic of intrigue for scientists, with the planet’s central engine playing a key role in shaping our world. Recent research has unveiled an astonishing new discovery: the inner core is not only changing its rotation speed but is also undergoing subtle changes in its shape.