A DISCUSSION on the origin of igneous rocks was held in Section C (Geology) of the British Association at York on September 7. The discussion was opened by Prof. Arthur Holmes, who sketched out a ...

"We're constantly finding new minerals, because we're exploring areas that might have conditions we didn't know about," Anderson said. There are three main types of rock — igneous, sedimentary and ...

Together, retired earth science teachers Eugene Genova and Ron Russ travel far and wide searching for fossils.

The team analyzed meteorites from a large space rock designated as NWA7034 or “Black Beauty.” While all Martian meteorites ...

As we’ve just mentioned, obsidian is often thought of as being dark and opaque, but it can actually come in a whole bunch of ...

A large igneous province could extrude roughly a million cubic kilometers of volcanic rocks over the span of a million years. “The scale of these volcanic provinces, I think, is very difficult ...

But in trying to describe the many ways we can experience it, people have identified several different types of attraction. For example, you might admire someone's appearance or intellect.

Silica, an element found in igneous rocks ... showing rounded pebbles and "conglomerate" rocks that indicated something pushing different types of soil together in the past.

Potato, potahto, right? Well, not quite. The humble pantry staple comes in a wide range of varieties, varying in size, shape, color, and texture. Getting to know all the different kinds in the produce ...