A Super-Earth Stripped Bare: Astronomers Uncover One of the Densest Planets Ever Found

Scientists Discover Bizarre New Lifeforms in Earth’s Mysterious Critical Zone

Earth's Oceans Were Once Green, Says Study of Volcanic Waters

Scientists discover new microbes in Earth's deep soil: « Scientists have discovered a new phylum of microbes in Earth's Critical Zone, an area of deep soil that restores water quality. »