npj Complexity is an online Open Access journal publishing high-quality peer-reviewed research in all aspects of complexity and aiming to foster dialogue across domains and expertise.

Strategies and tools to mend our fractured information ecosystem facilitate exploring remedies for the global challenges of information warfare.

Whether physical or abstract, space shapes the topology of many real complex networks. This Collection explores this synergy between geometry and graph theory.

Story, epidemics, ideas, innovations, and much more spread and interact to shape human lives. Sadly, these different contagions are often studied in a vacuum.