proceedings of the national academy of sciences (pnas), a peer reviewed journal of the national academy of sciences (nas) - an authoritative source of high-impact, original research that broadly spans the biological, physical, and social sciences.

publisher of over 50 scientific journals across the life, physical, earth, and health sciences, both independently and in partnership with scientific societies including cell, neuron, immunity, current biology, ajhg, and the trends journals.

science/aaas peer-reviewed journals deliver impactful research, daily news, expert commentary, and career resources.

mdpi is a publisher of peer-reviewed, open access journals since its establishment in 1996.

access 160+ million publications and connect with 25+ million researchers. join for free and gain visibility by uploading your research.

first published in 1869, nature is the world’s leading multidisciplinary science journal. nature publishes the finest peer-reviewed research that drives ground-breaking discovery, and is read by thought-leaders and decision-makers around the world.

browse our vast collection of ebooks in specialist subjects led by a global network of editors.

sci-hub website. get free access to academic journals. download research papers for free from sciencedirect, ieee, wiley, springer, nature and others

search and explore the millions of quality, peer-reviewed journal articles published under the taylor & francis and routledge imprints.

semantic scholar uses groundbreaking ai and engineering to understand the semantics of scientific literature to help scholars discover relevant research.