Rangemorphs, marine organisms that looked a bit like ferns, were some of the earliest complex organisms on Earth. Earlier life forms were mostly single-celled and reproduced simply by dividing.

Fossil tracks from 545 million years ago suggest complex life forms were already crawling around before the Cambrian ...

What was the first adventurous organism to try its luck on land hundreds of millions of years ago when all other complex life lived under the sea? Scientists have now identified the oldest known ...

All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA. A study suggests that this organism likely lived on Earth only 400 million years after its formation.

A newly documented fossil site in Morocco’s Western Anti-Atlas reveals rare evidence of the Ediacaran-Cambrian transition, a ...

Speaking of his études for piano, Hungarian composer Gyorgy Ligeti compared them with growing organisms, "proceeding from a very simple core idea and leading from simplicity to great complexity ...

Research in my laboratory has been directed towards understanding the genomic organization of a developmentally complex organism. Over the past 20 years, we have been taking a forward genetic approach ...

All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA—and it likely lived on Earth only 400 million years after its formation.