The Silurian drew to a close with a series of extinction events linked to climate change; however, these were relatively minor compared with those of other geologic periods. Related Topics PREHISTORY ...

The Silurian Period is characterised by a dynamic interplay between environmental stressors and biotic turnover, with extinction events and carbon isotope excursions (CIEs) representing pivotal ...

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.

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

Over 400 million years ago, nearly one-quarter of life was wiped out in one of the planet's most severe mass extinction events. And, scientists may have finally figured out why.

As a result, all ocean sediment post-dates the Jurassic Period and is therefore less than 170 million years old. In any case, say Schmidt and Frank, the fraction of life that gets fossilized is tiny.

The Silurians are a fictional race of intelligent, bipedal reptiles from the British science-fiction series "Doctor Who" that supposedly lived on Earth hundreds of millions of years ago.

425 million year old fossils have been found in Herefordshire in rocks from the Silurian period of geological time. The work has been carried out by a student from the University of Leicester.