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

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

About 4 billion years ago, Earth began to show signs of the conditions that allowed the first cells to take hold and populate ...

Mysterious tunnels in desert rocks may be the work of unknown microbes, hinting at a hidden world inside marble and limestone ...

To find out if we are alone in the galaxy, we will need to better understand what geochemical conditions nurtured the first life forms. What water, chemistry and temperature cycles fostered the ...

The first multicelled animals appeared in the fossil record almost 600 million years ago. Known as the Ediacarans, these bizarre creatures bore little resemblance to modern life-forms. They grew ...

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

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

we’re still not sure exactly how our planet’s first life forms were created. It’s possible, many scientists say, that life on Earth may have originated elsewhere. Right now, the leading ...

How do scientists diagram evolutionary relationships? Scientists represent evolutionary relationships with tree diagrams (also called cladograms) because new life forms appear the way new branches ...

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 ...