Should you ever find yourself playing a trivia game on the topic of moths and butterflies, here are a few facts that might ...

For a long time, the origin of complex life has seemed like a chapter torn out of the book of biology. The middle has been ...

A team led by Brett Baker at the University of Texas at Austin has found that some Asgard archaea, the ancient microbial group most closely related to all complex life on Earth, carried the molecular ...

For decades, experts have tried to explain how simple cells evolved into the complex organisms that make up plants, animals ...

For decades, scientists have believed that complex life began when two very different microbes joined forces, eventually ...

Researchers investigating the origin of complex life on Earth might have just made a major breakthrough. The origin of humanity and the planet Earth is probably debated more than whether the chicken ...

Let’s start with a quick biology refresher: Mitochondria are the powerhouse of the cell. They convert the food we eat into ...

In the oceans and on land, scientists are discovering rare, transitional organisms that bridge the gap between Earth’s simplest cells and today’s complex ones.

The most widely accepted scientific explanation for the arrival of all complex life on Earth has had an unsolved mystery at its heart. According to the theory, all plants, animals and fungi, known ...

Scientists propose that eukaryotes formed when an Asgard archaeon entered into a close partnership with an alphaproteobacterium. Over time, the two organisms became permanently linked. The ...

Complex cells are thought to be the result of a union between two ancient microorganisms, but scientists have long been ...