He called the organism Prototaxites, meaning “first conifer.” The name stuck, even though the fossil didn’t quite match any ...

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

An ancient and enormous organism called Prototaxites, initially found to be a type of fungus, may actually be an unknown ...

Scientists discovered a 400-million-year-old fossil known as Prototaxites, which does not belong to any known life form ...

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Scientists are suggesting there may be a brand new type of life — or, at least, that one existed back in the day.

The discovery has sparked interest among scientists studying endolithic microorganisms, unknown life forms inside rocks.

However, the universe may harbour life forms based on entirely different principles and biochemistries. Life elsewhere could use different elements as building blocks. Silicon, with its chemical ...

The relative proportions of different life forms vary with climate (Figure 2). In fact, life form spectra are more alike in similar climates on different continents than they are in different ...

Various answers have been proposed, all of which remain unverified. To find out if we are alone in the galaxy, we will need to better understand what geochemical conditions nurtured the first life ...