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 ...

This process can occur either below the Earth’s surface, forming intrusive or plutonic igneous rocks like granite, or at the surface following a volcanic eruption, producing extrusive or ...

The Earth is rapidly warming, and similar climate upheavals over 300 million years ago once triggered massive fluctuations in ...

The researchers posit that the volcano could have supported conditions favorable for life in the once-watery Jezero crater.

Volcanic rock is an igneous rock of volcanic origin. Volcanic rocks are usually fine-grained or aphanitic to glassy in texture. They often contain clasts of other rocks and phenocrysts.

The rocks could provide ... to form here on Earth via volcanic activity. Also present in the lunar regolith samples is an olivine-pyroxenite, a highly shocked igneous rock called magnesian ...

In a yet-to-be peer-reviewed research on the rock, presented at an international geochemistry conference last week, scientists said it contains some chemical features similar to volcanic igneous ...

Basalt is an igneous rock originating as fiery volcanic lava. Geologists call basalt an extrusive rock, which means it’s derived from magma that bubbled up from under the surface of the Earth.