What are we made of? How did the universe begin? What secrets do the smallest, most elemental particles of matter hold, and how can they help us understand the intricacies of space and time? Since 1967, Fermi National Accelerator Laboratory has worked to answer these and other fundamental questions. Explore photographs of Fermilab from its 50 years of discovery and innovation – and get a glimpse of the ambitious research projects planned for the years ahead.