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

A study on worms led by researchers from Vanderbilt University School of Medicine in the US has uncovered a previously unknown adaptation to aging that actively remodels one of the largest and most ...

A giant virus discovered in Japan is adding fuel to the provocative idea that viruses helped create complex life. Named ushikuvirus, it infects amoebae and shows unique traits that connect different ...

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

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

New research reveals how oxygen-fueled organisms from the deep sea may hold the key to understanding how complex life evolved ...

The story of how life began on Earth grows even more intriguing when viruses enter the picture. These microscopic particles are thought to have ...

For decades, experts have tried to explain how simple cells evolved into the complex organisms that make up plants, animals and fungi. While Charles Darwin’s theory of evolution describes how species ...

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 ...

Innovations in imaging and genetic engineering are coming together to probe the biophysics of cytoplasm inside living animals.