If an advanced civilization lived on Earth millions of years before humans, would we be able to tell? ... in 2018 two University of Cambridge scientists named their paper The Silurian hypothesis: ...

What if an advanced civilization lived on Earth millions of years ago, long before humans? Would we even know? The Silurian Hypothesis explores this mind-bending idea, questioning what clues such ...

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 Silurian Hypothesis: Might Earth Have Hosted A Sophisticated Civilization Millions Of Years Before Our Existence? If a technologically advanced species existed on Earth before us, they may ...

(via PBS Space Time) We’re almost certainly the first technological civilization on Earth. But what if we’re not? We are. Although how sure are we, really? The Silurian hypothesis, which a ...

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 ...

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 ...

In Doctor Who, an alien species called the Silurians exists – technologically-advanced humanoid reptiles who lived long ...

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 ...

And here we get to the Silurian hypothesis, which asks if any of these as-yet-unexplained abrupt shifts in the geological record could have been due to an industrial civilization.