Females are a dull brownish gray but — like their namesake, the peacock — male sparklemuffins pull out all the stops in the ...

A new study provides detailed insights into the embryogenesis and eye development of the cave-dwelling spider Tegenaria ...

That would be the mysterious sea spider. With over 1,300 species living in every ocean, these marine arthropods can have a leg span ranging from .04 inches to nearly three feet long. The video ...