Is it possible that another civilization existed before us? That's the question posited by the Silurian Hypothesis.

What if humans aren’t the first advanced civilization on Earth? According to the Silurian Hypothesis, a technologically ...

Would it be possible that an industrialized civilization existed on Earth before the current human civilization? Two scientists proposed a hypothesis that says that if an industrial civilization did ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The Silurian hypothesis asks whether it might be possible to find evidence of a pre-human industrial civilization in Earth’s geologic record—even one that might have existed millions of years ago. The ...

Across deserts, jungles, and polar ice, new discoveries are quietly stretching the story of civilization further back in time than many of us learned in school. As archaeologists debate mysterious ...

If an industrialized civilization had existed on Earth millions of years before our era, what traces would it have left, and could they be detectable today? That is the astounding premise that led ...

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Earth is completely overrun with humans -- there are billions of us living and dying on this planet, leaving signs of our existence in the soil, atmosphere, and even in space. Are we the first, though ...