An international team of scientists, led by experts in America, have discovered a 500-million-year-old fossil that suggests ...

Learn how a fossil from approximately 500 million years ago traces the evolutionary origins of spiders, scorpions, and other ...

A fossilized brain from a 500-million-year-old sea creature shows unexpected spider-like features, hinting that spiders and their kin may have evolved in the ocean—not on land.

Half a billion years ago, a strange sea-dwelling creature called Mollisonia symmetrica may have paved the way for modern spiders. Using detailed fossil brain analysis, researchers uncovered neural ...

The tiny 'backward' brain of an ancient sea creature hints that spider ancestors might have gotten their start in the ocean.

A new analysis of an exquisitely preserved fossil that lived half a billion years ago suggests that arachnids—spiders and ...

Finely preserved brain features in a tiny fossil suggest that spiders and their kin may have first evolved in the ocean ...

THE typical breathing organs of most of the larger recent Arachnids are lung-books. These are thought to have arisen from the segmentally arranged gills of an aquatic ancestor. The presence of ...

Arachnids in orbit work out how to weave webs in microgravity using LIGHT as a reference point. On Earth, spiders spin asymmetric webs, with centres closer to their top edges; ...

German customs officials found the hairy, venomous spiders crammed into small plastic containers inside bright-red cake boxes ...

ANIMALS are known to excrete ammonia, urea, or uric acid as end-products of protein metabolism. So far as we can ascertain, the problem of nitrogenous excretion in arachnids needs more investigation.