A remarkable fossil hidden in a museum collection for decades is helping scientists rethink one of the biggest mysteries in ...

Animals of the Cambrian period went through one of the greatest evolutionary surges in history, known as the Cambrian Explosion. Animals of the Cambrian period likely began as worms or worm-like ...

Tracks left by some of the earliest complex animals are giving new insights into how they experienced the world. New research ...

More than 500 million years ago, during what is known as the Cambrian period, the seas and oceans on Earth were filled with a myriad of marine animals, many of which have now become extinct. This ...

Animal life is extraordinarily diverse and complex, having colonised almost all environments on Earth – from hostile hydrothermal vents in the deep sea to the skies across our continents. But all this ...

A newly described species from the Burgess Shale had three eyes, clawed limbs, and a tail full of gills—plus internal organs preserved in stunning detail. Reading time 3 minutes A newly described ...

Scientists have revealed the most anatomically complete specimens of Cambrian trilobites ever found in stunning 3D images. The pristine fossils, which date to the Cambrian period (541 million to 485 ...

WASHINGTON (AP) — Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatures ...

Cambrian Period creatures known as sea moths seemed alien because of their additional eye, but a study finds anatomical features more in line with modern animals. An artist’s impression of Mosura ...