People have long wondered what life was first like on Earth, and if there is life in our solar system beyond our planet. Scientists have reason to believe that some of the moons in our solar system – ...

A new study suggests that ancient microbes once cast as oxygen haters may have actually learned to use the gas, offering a ...

When humans need more Vitamin B12—a nutrient that makes healthy red blood cells and turns food into energy—we can get it by taking a supplement or eating fish. But what about ocean life, including the ...

Ancient microbes tied to our earliest ancestors could use oxygen, reshaping ideas about how complex life began on Earth.

Add Yahoo as a preferred source to see more of our stories on Google. It's tiny and needy, but is it alive? That's a question prompted by recent research that highlights a surprisingly complex part of ...

Scientists at UC Berkeley have discovered a microbe that bends one of biology’s most sacred rules. Instead of treating a specific three-letter DNA code as a clear “stop” signal, this methane-producing ...

Scientists have discovered vast microbial life deep within Earth's solid rock, challenging previous beliefs. These organisms, ...

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 ...

An international group of researchers has recently warned the broader scientific community and the public of the risks of mirror life—specifically, the creation of mirror microbes by scientists in the ...

It's tiny and needy, but is it alive? That's a question prompted by recent research that highlights a surprisingly complex part of biology. The organism in question is a microbe called Sukunaarchaeum ...