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.

A bizarre ancient life-form, considered to be the first giant organism to live on land, may belong to a totally unknown branch of the tree of life, scientists say.

Researchers in Tanzania have unveiled a previously unknown species of gigantic tree, Tessmannia princeps ... region and aims to reconnect patches of ancient rainforest. The region where Tessmannia ...

YAKUSHIMA, Kagoshima Prefecture—An ancient giant has ... investigation to assess the tree's condition. No damage has been reported regarding the island's other giant cedars.

How do you conserve an ancient wedge of giant tree? With solvent, buckets of conservation-grade resin and a lot of patience. Giant sequoias are among the largest organisms in the world. It took 12 ...

New Curtin University research has revealed how massive ancient glaciers acted like giant bulldozers, reshaping Earth’s surface and paving the way for complex life to flourish. By chemically ...