Scientists then leaned towards it being a giant fungus, but the classification remained uncertain. A 2007 study even ...

Scientists have debated where Prototaxites belong in the tree of life for over a century, but now a new study suggests it ...

Chemical analysis suggests the 400-million-year-old fossil Prototaxites was neither plant, animal or fungus – hinting at a ...

Since Prototaxites were discovered in the fossil record in 1843, scientists have debated whether they were early land plants, ...

Tree of Life,' a Sitka spruce in Olympic National Park, is nearing the end of its life on the Washington coast.

The giant sequoia is a snow tree, Sillett says ... of cambium that flowed between trunk and limbs like a river of life. I thought: What an amazing place. Then I thought: What an amazing creature.

Although most biologists would argue that viruses are not alive, some argue that viruses should be included in the tree of life. All organisms, they contend, should be divided into ribosome ...