5 fun facts about evolution. The last common ancestor of all life on Earth is estimated to have existed around 4.2 billion years ago.; There are three ingredients necessary for natural selection ...

The universal genetic code, used by nearly all living organisms may be in need of a rewrite. Story by Joseph Shavit ... suggests that traditional models of genetic code evolution need revision.

Researchers at the German Cancer Research Center (DKFZ) have now developed a method that allows for the first time to ...

Among them is a study on the initial differentiation mechanisms of sexual chromosomes in Australian marsupials that provides a new perspective on the evolution of sex in mammals. "The Tree of Sex ...

The being in question is a microbe called Sukunaarchaeum mirabile. Preliminary research says it stretches the definition of ...

Luca was not the first form of life; it was the organism from which all living organisms have descended. Nevertheless, scientists think living organisms may have existed way before Luca.

The study showed that the organisms experienced changing selection pressures, but that they all eventually canceled out, meaning no dominant trait took over and influenced the organism’s evolution.

Cyanobacteria is a photosynethetic organism, and by living inside a single-cell organism billions of years ago, it lead to the evolution of the chloroplast. view more . Credit: Kara Headley.

Most reactions in living organisms involve the "electrons" transfer, which is called redox reaction. For example, respiration and photosynthesis can be classified as redox reactions.

Under microscopes, scientists found that giant single-cell organisms were able to vacuum up more food when they are stuck together. By Jack Tamisiea For a creature made up of only a single cell ...