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 ...

Researchers said the fossil of the Silurian Period creature, called Kampecaris obanensis and unearthed on the island of Kerrera in the Scottish Inner Hebrides, inhabited a lakeside environment and ...

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 ...

Chance discovery of 365-million-year-old fossil reveals new species - The large fish, spanning nearly a metre on the lake bed, lived in waters thick with rival fish, including giants several times its ...

Unlike modern sharks, Shenacanthus had a weak and toothless jaw, perhaps feeding on small, soft-bodied prey. The Silurian Period spiny shark-like fish Fanjingshania renovata. HEMING ZHANG/Reuters ...