From John Lennon with short hair to a young Christopher Walken on set, here are 50 rarely seen photos from the '60s and '70s.

This is a valuable and rigorous study that addresses the question of what determines the spatial organization of endocytic zones at synapses. The authors use compelling approaches, in both Drosophila ...

Water-rich foods can help you meet your daily hydration needs. These 15 foods provide fluid with bonus nutrients and health ...

Browse 260+ clip art of football player black and white stock illustrations and vector graphics available royalty-free, or start a new search to explore more great stock images and vector art. Each ...

Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the world and shape our lives.