One such moment was when space craft sent back images of the Earth for the first time. Another is the discovery of life on ...

He called the organism Prototaxites, meaning “first conifer.” The name stuck, even though the fossil didn’t quite match any known trees. In fact, trees didn’t even exist during the Silurian period, ...

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

The permanently shadowed regions of the Earth's Moon could shelter microbial lifeforms, according to new research.

Saturn’s largest moon might not be the barren world it seems. Beneath Titan’s icy crust lies a vast ocean of liquid ...

So why do so many life-forms breathe oxygen? There are probably thousands of kinds of metabolisms, or chemical processes that maintain life, said Donald Canfield, a geobiologist at the University of ...

Prototaxites, an extinct organism from the Devonian period, has been thought to be a fungus since its first fossil was ...

Fungi were some of the first complex life forms on land, mining rocks for mineral nourishment, slowly turning them into what would become soil. In the Late Ordovician era, they formed a symbiotic ...