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

Asgard archaea may have led to the evolution of eukaryotic life ETH Zurich researchers identify actin and microtubule ...

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

NASA’s Curiosity rover has unearthed the largest organic molecules ever detected on Mars—possible fragments of fatty ...

NASA's Curiosity Rover has discovered long carbon chains on Mars. On Earth, molecules like these are overwhelmingly produced ...

Fossils known as Prototaxites, which once dominated the land, have puzzled scientists since Darwin’s days. New evidence ...

For most organisms on Earth, rocks are objects, not food. But for one oddball microbe, desert limestone seems to have been on ...

Ten years ago, nobody knew that Asgard archaea even existed. In 2015, however, researchers examining deep-sea sediments discovered gene fragments that indicated a new and previously undiscovered form ...

Who were our earliest ancestors? The answer could lie in a special group of single-celled organisms with a cytoskeleton similar to that of complex organisms, such as animals and plants.

The chemical element sulfur is essential for all lifeforms and is a building block of proteins and amino acids. By studying ...

At the center of most large galaxies, including our own Milky Way, sits a supermassive black hole. Interstellar gas ...

The late Archean period was a time of significant ... These periodic oxygen previews may have created conditions for early life forms to develop oxygen-processing abilities long before oxygen ...