Though sea spiders have thrived for millions of years in a variety of marine conditions—in cold Antarctic waters, on deep ...

With the help of methane-munching-microbes, these translucent sea spiders gobble up a potent greenhouse gas to stay alive.

It's not easy to look at a sea spider and see an animal so representative of its kind that it may help scientists sort out ...

Scientists have decoded the sea spider’s genome for the first time, revealing how its strangely shaped body—with organs in ...

Scientists have long sought to understand why sea spiders keep some of their most important organs in their legs.

From blue-ringed octopuses to stonefish, here are some of the most venomous, deadly species in our planet's oceans.

Fully regenerated adult male of the sea spider Pycnogonum litorale, seen from the dorsal view, cuticular autofluorescence after excitation with blue light. (Georg Brenneis/Universität Greifswald) (AFP ...

Wolf spiders aren't venomous, meaning that they don't make or secrete venom (poison). But bites from any kind of spider have the potential to cause an allergic reaction in some people, so you ...

What is the deadliest spider in the world? The funnel web spider is widely regarded as the most dangerous arachnid. This Australian spider has a venom that is packed with 40 different toxic proteins.

Joro spiders (Trichonephila clavata) are a species of large orb-weaver spiders. They are native to Southeast Asia, but were accidentally introduced to North America via a container ship.

Scientists say the three species use methane, with the help of bacteria, to get energy while helping prevent methane from escaping the deep sea.

Sea spiders can regrow body parts after amputation and not just limbs, according to a study released on Monday that may pave the way for further scientific research into regeneration.