A new study details the findings of two meteorites that likely originated from Mercury and might provide clues about its ...

They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.

“Metamorphic rocks are altered by immense temperature, pressure, or both. Their fabric and texture changes and can keep changing. Even their composition can alter, creating a radically new rock ...

A belt of volcanic rock along the eastern shore of Hudson Bay in Canada’s Quebec province has been confirmed as the oldest ...

Once their mineral composition changes, the rocks are considered metamorphic, ... Igneous and metamorphic rocks on Earth's surface inevitably erode and break up as wind and water go to work on them.

Measurements of surface chemical composition, either by direct sampling (as has been ... we must deduce its composition either by looking at the clues hidden in igneous and metamorphic rocks, ...

Marble. Chalk. The Giant’s Causeway. All made of rock but all different. Learn all about the three different types of rock found on Earth with BBC Bitesize.

While climbing a crater rim, NASA's Perseverance Mars rover spotted a curious striped rock that may have rolled from farther uphill, hinting at treasures the robotic explorer has yet to find.

Igneous processes are those related to the crystallization of magma, while metamorphic processes are changes in the composition of rocks due to high heat and pressure. Freya Castle measures ...