Prototaxites, the mysterious ancient organisms, are changing our understanding of early Earth. Sporting a unique, tube-like structure, these organisms attained heights of 26 feet roughly 430 ...

Tree-ring dating of timbers from the grave placed the Oseberg ship burial at around A.D. 834. Inside the main burial chamber, excavators discovered fragments of a tapestry that, when reconstructed ...

Birds are the most diverse land vertebrate on the planet, and now scientists have constructed a complete evolutionary tree of the 11,000 or so known species. This data came from hundreds of ...

Believed to be the first giant organisms to thrive on dry land, some species of Prototaxites grew up to 26 feet (8 meters) in height and resembled tree trunks composed of tiny interconnected tubes.