Add Yahoo as a preferred source to see more of our stories on Google. close up of a black sea spider's abdomen which has attached gelatinous egg sacs filled with tiny, shiny black eggs Three ...

There are thousands of crab species, each with its own unique features. While we think of crabs as beach creatures, there are many species that thrive in the deep sea. One example is the yeti crab, ...

The knotty sea spider, Pycnogonum litorale, is not actually a spider, but it does represent a significant early branch in the genetic family tree that includes spiders, as well as scorpions, ticks and ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Heat-trapping ...