As a rule, theologians know nothing of this world, and far less of the next; but they have the power of stating the most absurd propositions with faces solemn as stupidity touched by fear.It is...

Scientists still do not appear to understand sufficiently that all earth sciences must contribute evidence toward unveiling the state of our planet in earlier times, and that the truth of the matter can only be...

Ahead and to the west was our ranger station – and the mountains of Idaho, poems of geology stretching beyond any boundaries and seemingly even beyond the world.

[To] explain the phenomena of the mineral kingdom … systems are usually reduced to two classes, according as they refer to the origin of terrestrial bodies to FIRE or to WATER; and … their followers...

Perhaps I shall not write my account of the Paleolithic at all, but make a film of it. A silent film at that, in which I shall show you first the great slumbering rocks of...

The leading idea which is present in all our [geological] researches, and which accompanies every fresh observation, the sound of which to the ear of the student of Nature seems echoed from every part of...

That’s Third Thoughts for you. When a huge rock is going to land on your head, they’re the thoughts that think: Is that an igneous rock, such as granite, or is it sandstone?