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 articles from across Nature Portfolio Archaea are organisms consisting of a single cell without a nucleus and with distinct structural, physiological and evolutionary characteristics.

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.

In this 2025 ingredient transparency update, Emma highlights growing public interest in methane-producing gut bacteria, ...

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