ScienceDirect is the world's leading source for scientific, technical, and medical research. Explore journals, books and articles.

Quickly locate key papers from reliable scientific journals and explore a comprehensive citation network to discover related research. Confidently capture the full picture of an idea’s …

Sensitive compartmented information (SCI) is a type of United States classified information concerning or derived from sensitive intelligence sources, methods, or analytical processes.

Sci-Hub has the largest (> 88 million documents) database of full-text scientific papers, available for free. Approximately 80% of the collection are articles from scientific journals, most of them …

Access scientific research, citation data, and authoritative publications across all disciplines on Web of Science.

Access the latest impact factors of more than 28,000 science journals since 2012. Learn the latest science research tools to maximize your impact today. Impact Factor (IF) is a measure …

The goal of Sci-Hub is to provide free and unrestricted access to all scientific knowledge ever published in journal or book form. Today the circulation of knowledge in science is restricted …

The Science Citation Index Expanded (SCIE) is a citation index owned by Clarivate and previously by Thomson Reuters. [1][2][3][4] It was created by Eugene Garfield at the Institute …

Overall, Sci-Net is a platform that every researcher today must use and contribute to -- together, we can gradually make the idea of open knowledge a reality.

1 day ago · 2026 is scheduled to have a considerable range of monumentally exciting sci-fi movies released within it - though some of these films have more hype built up for them than …