Like this 308-year-old fossil, which looks like an 8-legged arachnid.. It’s been named Douglassarachne acanthopoda, and while it does share many characteristics with modern spiders ...

What's the largest arachnid ever on Earth? The answer is not so simple, say scientists. ... Fossils suggest that many of these ancient marine predators would even rival humans in size.

Four 100-million-year-old arachnid fossils trapped in amber look like spiders — but have tails. The strange combination of features gave the new species its name: Chimerarachne yingi, for the ...

The fossils, which come from amber deposited in the mid Cretaceous period, are 170 million years younger than the other long-tailed arachnids. That makes them surprisingly young, Professor Selden ...

Scientists have discovered a well-preserved 305 million-year-old arachnid that is "almost a spider" in France. In a new journal article, they say the fossil sheds some light on the origins of ...

Members of an earlier arachnid branch, called the Uraraneida, known from 385-million-year-old fossils, were also spiderlike in appearance, Garwood said, but had a long, tail-like structure called ...

A 450-million-year-old fossil of an ancient creature related to the modern-day spider was recovered encased in fool’s gold in upstate New York. The new species is distantly related to arachnids ...

Once upon a time, a prehistoric species of arachnid roamed the Earth in the area we now know as the state of Illinois. The newly discovered arachnid has been named Douglassarachne acanthopada. It ...

Trapped in amber, preserved for all time, is one of the weirdest and most terrifying arachnid fossils scientists have ever come across. In research published today in Nature Ecology and Evolution ...

If you think an erection lasting more than 4 hours is a problem, try one lasting more than 99 million years. That's how long the penis of a newly discovered arachnid fossil has been standing at ...

A 99-million-year-long erection? Well, sort of: Scientists discovered a spider relative trapped in amber, with its erect penis preserved. Here's a look at the male daddy longlegs in all its glory.

Scientists don't know what they actually are. On Monday, two teams of scientists reported the discovery of 100-million-year-old arachnid fossils, found preserved in Burmese amber.