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

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

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

Books Received Published: 02 July 1914 Igneous Rocks and their Origin Nature 93, 449–450 (1914) Cite this article ...

Books Received Published: 03 July 1926 The Petrology of the Igneous Rocks Nature 118, 8 (1926) Cite this article ...

Places such as Purgatory Chasm and Millstone Hill, in Worcester's Green Hill Park, bear witness to the work of the glaciers.

To answer these questions, it is easiest to start with the amount of gold that humans have mined to date. The U.S. Geological ...

Sedimentary rock is comprised of sediment, as the name suggests. Over time, tiny minerals, sand, rocks, and debris layer on ...

A belt of swirly, stripey rock in the northeast reaches of Canada looks like it contains some of the oldest minerals ever ...

Found in the Sahara Desert, the space rocks contain some materials we haven’t detected on Mercury, but we’re not ruling it ...

Scientists found a rhythmic mantle plume beneath Ethiopia is slowly tearing Africa apart - hinting at the birth of a new ...