The beginnings of a strange layer of molten rock deep inside the Earth may have finally been figured out by geoscientists.

a research team unearthed this primeval crater beneath rock layers in the East Pilbara Terrane of Western Australia. The ...

Deep below the Earth's crust, molten rock rises and falls ... researchers have debated whether the moon also has a molten layer of rock sandwiched between its core and solid exterior.

It’s not much of a stretch to say that Earth’s inner structure, especially the innermost spherical core, has stupefied scientists for generations. It sits over 3,000 miles below the surface, smaller ...

The next layer, the mantle, stretches about 1,800 miles (2,900km) below Earth's surface. The mantle contains both magma, or molten rock, and slowly-moving solid rock. Earth's innermost layer is ...

"Shorelines are great locations to look for evidence of past life." Today, Mars is a chilly desert of rock and dust — but 4 billion years ago, the planet had rivers, lakes and even oceans with sandy ...

Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

Scientists now know how to drill deep enough to tap into an energy supply that would power the world for more than 20 million years if we capture just 0.1 percent of it.