We’ve launched our new website and are excited to introduce you to our new look! Reactome is inviting its users to explore its new website. The new website has been designed to provide the ultimate user-friendly experience with improved navigation and functionality throughout. Created with the user experience firmly in mind, the new web interface has been designed using the latest technology, so the site is compatible with today's browsers and mobile devices. The site includes extensive documentation to help users understand Reactome’s complete range of tools for viewing pathway diagrams, analyzing experimental data and exploring protein-protein interaction networks. For software developers, our technical documentation and use cases provide a detailed overview of our extensive web services, to access our curated pathway data (ContentService) and analytical tools (AnalysisService). Biologists and bioinformaticians can now benefit from richer online content that is easier to navigate and share with others, assisting with pathway data analysis and visualization.