Animals, from worms and sponges to jellyfish and whales, contain anywhere from a few thousand to tens of trillions of nearly ...

Even after 20 million years of evolutionary separation, two tiny worm species show astonishingly similar patterns in how they ...

In this article, you’ll learn how eukaryotic cells operate, providing a solid foundation for understanding how life functions ...

By Jef Akst From Simple To Complex The switch from single-celled organisms to ones made up of many cells has evolved independently more than two dozen times. What can this transition teach us about ...

Environmental evidence of the very first experiments in the evolution of complex life on Earth, has been uncovered by an international team of scientists. Until now, scientists broadly accepted ...

Ancient glacier finding reveals clues to how complex life on Earth evolved, scientists say ... cyanobacteria, sponges and seafloor-dwelling organisms, populated the oceans.

A new part of an ocean plant cell has been discovered that might revolutionize farming one day. The structure can take nitrogen and convert it into the ingredient that helps all organisms grow.

Long cast as villains, some protists, such as Blastocystis, are potentially beneficial to human health.

A team of researchers challenged the belief that complex life forms first emerged on Earth 635 million years ago, saying life may have existed 1.5 billion years before.

Ancient glacier finding reveals clues to how complex life on Earth evolved, scientists say ... cyanobacteria, sponges and seafloor-dwelling organisms, populated the oceans.