The complex life forms, however, did not spread globally from the "restricted nature" of the underwater region and eventually died out, according to the study. "While the first attempt failed to ...

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

This new study indicates that a significant weakening of Earth’s magnetic field around 590 million years ago might have played a critical role in the development of complex life forms.

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 ...

New research sheds light on one of the biggest questions in biology: where did complex life come from? The answer may lie ...

Scientists reveal the role of hidden microbes called Asgard archaea in the origins of complex life, challenging long-held ...

However, researchers who study ancient Earth were ... nutrient cycles and provided emerging life with the boost it needed to evolve into more complex forms. “The idea that glacial debris from ...

Further analysis also shows that this life form likely sported an ... the lead author of the study, said in a press statement. “We have to use complex evolutionary models to reconcile the ...

How do scientists study and classify life-forms? How can we understand the complex evolutionary connections between living organisms? Woese's breakthrough was momentous for at least three reasons.