Thundereggs look like regular rocks from the outside, but contain intricate and colorful mineral patterns inside — often made ...

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 them to laser ...

If you’ve ever studied geography, looked at fossils in a museum, or even looked up at a craggy cliffside or a steep mountain, you’ll know that rocks usually take millions of years to form. However, ...

The first rock that scientists analyzed on Mars with a pair of chemical instruments aboard the Curiosity rover turned out to be a doozy -- a pyramid-shaped volcanic rock called a "mugearite" that is ...

This picture shows a very famous outcrop where nearly horizontal black and white layers are observed. The BIC made of layers of igneous rock in a basin shape, formed over a period of about 1 million ...

The multi-coloured layers of banded iron formations could connect ancient changes on earth’s surface—like the emergence of photosynthetic life—to planetary processes like volcanism and plate tectonics ...

THE closing years of the nineteenth century witnessed a revival of interest in the petrology of gneous rocks, which must be regarded as marking an important stage in the development of that subject.

Carbon mineralization is a process by which gaseous carbon dioxide reacts chemically with certain rock types and transforms into solid carbonate minerals. This natural process is an essential part of ...

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 and ...