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 ...

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

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.

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.

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." ...

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 ...

All creatures will consume organic matter in one way or another. But there is something new on the menu: viruses. Researchers have discovered that some creatures can consume and thrive of them and ...

The first giant virus to be identified, called Mimivirus (short for microbe mimicking virus), was discovered in 2003 inside an amoeba found in a cooling tower in Bradford, England.