A belt of volcanic rock along the eastern shore of Hudson Bay in Canada’s Quebec province has been confirmed as the oldest ...

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

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

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

The original composition is mostly lithic, with sublitharenites, litharenites, subarkoses, and rarely quartzarenites (sensu Folk 1968; Fig. 3). Primary composition was slightly modified by diagenetic ...

Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?

Metamorphic rock is that which has been transformed by heat, pressure or other natural forces. Instead, for the new study, O’Neil turned to the rare earth element samarium, ...

Gray rocks uncovered in northern Nunavik, Quebec, Canada may be the ultimate primordial find. The stones date back 4.16 ...

If the new age of these Canadian rocks is solid, they would be the first and only ones known to have survived Earth’s earliest, tumultuous time.

Metamorphic rock is that which has been transformed by heat, pressure or other natural forces. Instead, for the new study, O’Neil turned to the rare earth element samarium, ...

The gold standard for determining the age of ancient rocks is measuring the radioactive decay of isotopes of uranium into lead in minerals known as zircons. But not all rocks contain zircons, so ...