Breaking the ice: Scientists find signs of ancient life in submerged Antarctic lake

The frozen desert of Antarctica is not exactly a place you would want to call home. But under its surface lies an unexplored, watery world of subglacial lakes and rivers stretching for millions of square miles, the ice above exerting enough pressure to keep them from freezing. But when scientists found a diverse bacterial haven in the secluded lakes, they were mystified: What other organisms … Continue reading Breaking the ice: Scientists find signs of ancient life in submerged Antarctic lake

Enigmatic Tully Monster Finds a Home on the Tree of Life

How a 300-million-year-old mystery fossil is reshaping our understanding of what it means to be a vertebrate. by Kelsey Lucas figures by Brad Wierbowski Through murky water you spot it – a creature with a cylindrical body, tapering at each end like a football. At one end, a spade-like tail fin fans out as it slowly beats back and forth. At the other end, a … Continue reading Enigmatic Tully Monster Finds a Home on the Tree of Life