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 September 2023, a global seismic mystery began to unfold. Every 90 seconds, the Earth pulsed with a strange, low-frequency ...

Chemical fingerprints from volcanic rock offer hints of what’s happening in the mantle below the area where three rift zones ...

The Kola Superdeep Borehole, the deepest manmade hole ever drilled into the Earth's crust, is one of the most fascinating ...

A spot in eastern Africa called the Afar Triangle marks the meeting point of three rift zones—lines where Earth’s crust is being rent apart. Researchers haven’t been sure exactly what drives this ...

There are some weather phenomena that are more surprising than others, but without a doubt, the eruption of lava in ...

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread.

New research from HKU geologists suggests that Earth's first continents were born not from plate tectonics, but from deep ...

Scientists created a simulation showing that early Earth still retained chemical traces of its igneous youth, 4.5 billion years ago.