Deep beneath our feet, far beyond the reach of any drill, new research suggests that Earth’s center is far more intricate ...

Faint yet distinct ground motions recorded by a large network of seismic instruments in Japan in early 2006 are the strongest, most direct evidence that Earth’s inner core is solid. On February 22, ...

A new study offers compelling evidence that Earth's inner core reversed direction and is slowing down.

SAN DIEGO, March 27 (UPI) -- New government laboratory test results are fueling a controversial contention that a giant natural nuclear reactor at the center of the Earth powers the planet's ...

An ice core about two miles long -- the oldest frozen sample ever drilled from the underbelly of Antarctica -- shows that at no time in the last 650,000 years have levels of the greenhouse gases ...

The indications are that a solid ball of iron lies at Earth's centre. But only the identification of an elusive seismic signature can confirm the long-standing assumption that it is indeed solid. It ...

Scientists have long known that Earth and Mercury have metallic cores. Like Earth, Mercury's outer core is composed of liquid metal, but there have only been hints that Mercury's innermost core is ...