It is the first and only fossil of its kind. The Mazon Creek site is famous for its impressive preservation of remains of ...

The scientists used the fossils - thin slices of rock showing the animal’s cross-section - to work out the range of motion in the limbs of this ancient, extinct early relative of the spiders. From ...

However, ESA revealed that the ”alien arachnids” were actually a seasonal geological feature born from layers of melting carbon dioxide ice. Indeed, a few months later, researchers were ...

The tailless whip scorpion is an arachnid whose lineage dates back over 400 million years, making it one of the most ancient and enduring groups of land-dwelling arthropods. These fascinating ...

Researchers have uncovered a new species of arachnid that lived during the mid-Cretaceous age, around 100 million years ago. An international team of researchers from the United States, China, Germany ...

A cluster of 66-million-year-old fish vomit is a natural, national treasure in Denmark. The rare find shines a light on the ...

Here’s how it works. One of Australia's biggest and deadliest spiders is actually three different species, researchers discover — and one of these behemoth arachnids is even bigger than the rest.