Anyone trotting out the well-worn "it’s been a long day" line on July 22 might end up having to rephrase, as Earth is set for ...

Did you feel it? The planet spun a bit faster last week, by enough to give us our shortest day of the year, so far.

The planet’s spin hasn’t always been this way. Scientists say a day used to be just 19 hours long. Back then, tides from the ...

For billions of years, the Moon's gravity has been acting like a handbrake slowing down our spin in a process known as 'tidal ...

Earth will complete its rotation slightly faster than usual on Tuesday, July 22, resulting in one of the shortest days ever recorded. The ...

Geologists discovered "gigantic fortresses" under the Earth's crust, which have provided insight into the workings of the ...

Gigantic hidden fortresses discovered 1,800 miles underground in Earth's mantle, rewrite how the planet's interior works.

Beneath the Afar region's vast landscape in Ethiopia, scientists have discovered a powerful geological force that is ...

Scientists have identified mysterious 'blobs' about 1,200 miles under the Earth's surface that could cause massive volcanic ...

New simulations reveal that an ancient ocean of magma located above the Earth's core continues to shape the planet's ...

Two massive blobs beneath Africa and the Pacific—each taller than 90 Everests—may be remains of a lost planet. Hidden in ...

The origins of plate tectonics on Earth are hotly debated, but evidence from Australia now shows that parts of the crust ...