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Advancing Crystallography: Strengthening Community, Funding & Support

The American Crystallographic Association (ACA) is dedicated to advancing scientific excellence, fostering inclusivity, and promoting open collaboration. To strengthen its impact, ACA is expanding community engagement, championing research funding, and offering direct support, including travel grants and meeting access for scientists. Through strategic partnerships and the support of its members, ACA continues to uphold an open and equitable environment where crystallography and scientific discovery can flourish.

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ACA2025

Now Accepting Poster Abstracts!  

Join us for the 75th Annual Meeting of the American Crystallographic Association, July 18–23, 2025, in Lombard, Illinois! This milestone event will feature cutting-edge research, networking opportunities, and a keynote by Dr. Stephen K. Burley.


Hosted at The Westin Lombard Yorktown Center, the conference offers a prime location near Chicago’s cultural and scientific hubs. Registration and abstract submissions are now open—don’t miss your chance to be part of this premier structural science gathering! Visit the official website for details.

Registration Information
Abstract Submission
Hotel Reservations 

Experience World-Class Science Up Close

The ACA is excited to announce a unique opportunity for ACA 2025 attendees — a field trip to the Advanced Photon Source (APS) at Argonne National Laboratory!

APS is one of the most powerful synchrotron radiation facilities in the world, enabling breakthroughs in materials science, biology, chemistry, and physics. This guided visit offers a behind-the-scenes look at beamlines, experimental stations, and the revolutionary upgrade that’s pushing the boundaries of crystallographic research.

Register Now 

 

Spring 2025 Issue of RefleXions

In this issue of RefleXions, readers will find a celebration of the ACA’s 75th anniversary, updates on ACA and IUCr2026 meetings, tributes to George Sheldrick’s lasting impact on crystallography, and news from across the structural science community. The newsletter also features leadership announcements, committee updates, book reviews, puzzles, and insights into the evolving landscape of structural research. Be sure to check out the special reflections on the legacy of crystallographic innovation and community milestones!

IUCr2026: Calgary, Alberta

Planning for IUCr2026 is progressing rapidly, and we are excited to deliver an exceptional congress experience. To stay informed with the latest updates, announcements, and important details, we invite you to add your name and email to our Expression of Interest list—don’t miss a moment as the excitement builds! As part of the preparations, the International Union of Crystallography (IUCr) is now accepting applications for workshops, offering researchers, educators, and professionals a valuable opportunity to help shape the scientific program by organizing sessions that share knowledge, foster collaboration, and advance the field of crystallography. Interested applicants are encouraged to submit their proposals early to be part of this dynamic event.

Call for Workshop Info