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

In the vast and often unseen world of microscopic life, a recent discovery may force scientists to rethink what it means to ...

Because they rely on hosts for a majority of functions, viruses aren’t considered alive. But entities like this one ...

If symptoms are mild and subtle, all you can do is wait to see if the plant outgrows the exposure, since nothing can remedy the damage.

So by the biological definition, a virus cannot be categorized as a living organism. But from a genetic and evolutionary point of view a living organism is defined by its ability to reproduce.

Scientists have created a bacterium that is resistant to all viruses. Using strands of RNA, researchers re-coded the organism so that when viruses try to invade, their replication instructions get ...

While viruses are incidentally consumed by other microbes, to qualify as a step in the food chain, researchers say, an organism need to gain a significant amount of energy or nutrients from ...

In 1890, Robert Koch described the basis rules that scientists use to determine if an infectious organism causes a specific disease. These four rules are called "Koch's postulates." ...

Now, researchers have found that a family of related proteins is used to fight viruses in organisms ranging from bacteria to humans. While the effects it triggers vary among organisms, ...

A pathogen infects the organism, and the organism tries to fight off the infection. That is like what’s happening here, except the main symptom of Trump fever is awesomeness.

Name a type of organic matter and chances are some type of organism has evolved to eat it. Plants, meat, algae, insects and bacteria are all consumed by different creatures, but now scientists ...

Discovered by Canadian and Japanese scientists, Sukunaarchaeum mirabile challenges the boundary between living cells and ...