Is Earth's inner core solid or liquid? While the inner core is extremely hot, experts have known that it is solid for many ...

In the state of Oregon, the Painted Hills offer a quieter but no less fascinating example of natural colour layering. The ...

Geologists from the University of Hong Kong (HKU) have made a breakthrough in understanding how Earth's early continents ...

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except ...