There are over 7 billion people living on the earth right now. Tens of millions are born and die each year. Every single one ...

The Silurian Hypothesis asks whether signs of truly ancient past civilizations would even be recognisable today.

What if humans aren't the first technologically advanced civilization to grace our planet? It sounds like science fiction, but the "Silurian Hypothesis," a fascinating thought experiment proposed by ...

The Silurian Hypothesis: How Do We Know That Humans Were the First Civilization on Earth? Published Apr 18, 2018 at 10:45 AM EDT Updated Apr 20, 2018 at 11:42 AM EDT. By .

The ‘Silurian Hypothesis’ Debate: Could Earth Have Once Harbored a Pre-Human Industrial Civilization? It might seem like something from Ancient Aliens , but it’s an important thought experiment.

In Doctor Who, an alien species called the Silurians exists – technologically-advanced humanoid reptiles who lived long before humans, going into hiding and being basically undiscovered again ...

Let us remember, then, that, in the Silurian period, the world, so far as it was raised above the ocean, was a beach, and let us seek there for such creatures as God has made to live on sea-shores ...

A newly discovered fossil "treasure hoard" dating back some 436 million years to the early Silurian period reveals, for the first time, the complete body shape and form of some of the first jawed ...

The series of extinctions that occurred during the Ordovician and Silurian periods between 445 and 415 million years ago wiped out as much as 85 percent of all animal species on Earth.