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

International Rock Day is observed every year on July 13 to recognise the natural wonders of rocks and stones and their ...

Yooperlites are a variety of sodalite-rich syenite found in the Upper Peninsula of Michigan.

Igneous rocks are the "new kids" in the rock cycle. They're the new rock on the block, ready to start fresh. Basalt lava flow in Hawaii, a perfect example of an extrusive igneous rock.

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

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

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 ...

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 ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Why don’t rocks burn? – Luke, age 4, New Market, ...

During the nearly 14 months that it has spent on the red planet, Curiosity, the Mars Science Laboratory (MSL) rover, has scooped soil, drilled rocks, and analyzed samples by exposing […] ...

The stones are derived from igneous rocks near Marathon, Ontario, known as the Coldwell Alkaline Complex and were transported into Michigan by glaciers during periods of continental glaciation.