Early complex life clung to oxygenated seafloors for hundreds of millions of years, scientists discover (opens in new tab)

From the highest mountains to the deepest ocean, the driest desert to the lushest jungle, Earth displays a dazzling array of life-forms. And eukaryotes account for many of these life-forms, including nearly all of the multicellular life we can see in the landscape. But scientists are still piecing together exactly how this domain of life evolved from simpler predecessors.