One lucky bidder will soon fork over millions of dollars to take home NWA 16788, a 54-pound (24-kilogram) Martian meteorite.

These rocks really shouldn't be there. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The surprising discovery of volcanic, "igneous ...

Microbes have been discovered alive inside 2-billion-year-old rock, offering a rare window into Earth’s deep past. Found in ...

Scientists report on the analysis of a surprisingly Earth-like Martian rock, discovered by the Mars Science Laboratory rover Curiosity, that offers new insight into the history of Mars's interior ...

The most common intrusive igneous rock in the area is known as diabase. Diabase is considered a medium-colored igneous rock composed of plagioclase, clinopyroxene, olivine, magnetite and, ilmenite.

The name igneous comes from the word ignis, which means "fire" in Latin. Pumice is an example of extrusive igneous rock. The word extrusive means that the magma was forced onto the earth's surface ...

Our planet has been asteroid-smashed, melted and eroded, enough that most of its original armor has been long buried. Except for one small chunk.

Sodalite forms in igneous rocks that crystallized from sodium-rich, silica-poor magmas. That’s how it got its name—soda + lithos, or “sodium stone," according to Rock Your World gem & art ...

Serpentinite is a metamorphic rock, one of the three basic rock types. But Staten Island is also home to sedimentary and igneous rocks, the other two types. All things considered, we have quite a ...

An igneous rock is a rock that has solidified from molten rock. This is in comparison to the two other major types of rock, sedimentary and metamorphic. What Determines Granite Colors?

While the formation of sedimentary rock is perfect for the preservation of fossils, the formation of igneous and metamorphic rock isn’t so suited, resulting in the removal of the traces of ancient ...