During this period, the average species extinction rate drastically increased to 71.6% per 100 kyr. This study quantitatively demonstrates the dominant role of the rate of climate change in ...

The large fish, spanning nearly a metre on the lake bed, lived in waters thick with rival fish, including giants several ...

A newly discovered species of ancient predatory fish in Nova Scotia sheds light on how early ray-finned fish evolved new ways ...

In a world obsessed with the apocalyptic hellfire of ‘carbon’ and the terror of an imperceptibly warmer climate nowhere near ...

In 2015, two members of the Blue Beach Fossil Museum in Nova Scotia found a long, curved fossil jaw, bristling with teeth.

The discovery suggests that insects almost certainly evolved in the Silurian Period, some 438-408 million years ago. "In the late Silurian is where we have the first evidence for terrestrial ...

My late researches have little by little driven me to the conclusion that the crystalline schists ... these stupendous changes having occurred at some time subsequent to the Lower Silurian period.

Paleontologists have identified a new ancient reptile from the Solnhofen limestone slabs, thanks to a chance discovery. A ...

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 ...

Factors that can cause a late period include stress, weight loss, obesity, and hormonal conditions. Learn about eight common causes and when to see a doctor.