When a virus enters a cell, its top priority is to replicate its genome rapidly, creating new viruses to infect elsewhere.

Every cell in every organism on Earth copies DNA the same way. Except one bacterial protein — quietly doing something scientists had never seen before. Your DNA has never been created from scratch.

In joint studies, scientists at Heinrich Heine University Düsseldorf (HHU) and University of Tübingen, as well as Gießen University, Freiburg University, Max Planck Institute for Biology Tübingen, US ...

Cyanobacteria—ancient microbes that oxygenated Earth and made complex life possible—are still revealing surprises billions of years later. Scientists have now discovered that a molecular system once ...