PROTEUS, a system designed to harness “directed evolution,” can speed the process up by years, or even decades.

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

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

Archaea are organisms consisting of a single cell without a nucleus and with distinct structural, physiological and evolutionary characteristics. They inhabit a wide range of habitats, including ...

It has genes for ribosomes, tRNAs, and mRNAs. These components are the scaffolding of life: the tools by which cells read ...

To build proteins, cells rely on a molecule called transfer RNA, or tRNA. tRNAs act like protein-building couriers, where ...

Two life forms living together helped spark the evolution of all complex life. By learning to appreciate this process more ...

Single-celled organisms called archaea aren't generally thought to cause human disease, but one species has been implicated in colorectal cancer ...

This newly found organism doesn’t act like a virus or a cell, and that could change everything we know about biology.

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

Micrometeorites raining down from space may have provided the perfect surfaces for the first primitive cells to form on Earth ...