Half a billion years ago, a strange sea-dwelling creature called Mollisonia symmetrica may have paved the way for modern ...

The oldest signs of a spider-like brain have been found in an ancient marine fossil. It shows that the key brain features of ...

Spiders and their arachnid relatives may have actually originated in the sea, according to analysis of an "exquisitely ...

One of the creepiest, crawliest creatures of the Earth may have been swimming before adapting to live on land, new research suggests.

A fossilized brain from a 500-million-year-old sea creature shows unexpected spider-like features, hinting that spiders and ...

A 500-million-year-old sea creature called Mollisonia shared a similar brain structure to modern spiders, suggesting that ...

The team named the Tsona county arachnid species Shinobius cona Wang et al.2024 in reference to Cona, the Mandarin name of the county in which it was discovered.

SPIDERLIKE The ancient arachnid Idmonarachne brasieri was a close cousin of spiders. Researchers used CT scans to create a 3-D visualization of the 305-million-year-old fossil. R.J. Garwood et al ...

An extraordinary new species of arachnid, resembling a spider with a tail, has been discovered suspended in amber, a pair of new studies reported Monday. The creature, which had fangs and eight ...

Its name is scary! But the cryptomaster behemoth, a new arachnid species discovered in Oregon, is only about 5 mm long, scientists say.

Its name is scary! But the cryptomaster behemoth, a new arachnid species discovered in Oregon, is only about 5 mm long, scientists say.