Berkeley Lab
Bringing Science Solutions to the World

The Advanced Light Source is a U.S. Department of Energy scientific user facility at Lawrence Berkeley National Laboratory. Our mission is to advance science for the benefit of society by providing our world-class synchrotron light source capabilities and expertise to a broad scientific community.


ALS Director Steve Kevan to Retire

Steve Kevan, director of the ALS since 2018, has announced that he will retire later this year. An international search for his replacement will be initiated soon. Read more »

Unexpected Transformations Reinforce Roman Concrete

Researchers used the ALS to study binding phases in Roman architectural concrete, revealing reactions and profound transformations that contribute to long-term cohesion and durability. The findings add to our growing understanding of cementing processes in Roman concretes, informing resilient materials of the future. Read more »PPT-icon-35

Alyssa Brand, Chemical Safety Specialist

Alyssa Brand recently joined the ALS safety team. She’s not new to the Lab—she previously worked at the Molecular Foundry and in the EH&S Division. She is excited to join the ALS and learn more about all the science going on here. Read more »

DNA Synthesis: Flip It and Reverse It

What if the current model for DNA synthesis were flipped on its head? Using time-resolved x-ray crystallography, researchers gained new insights into this essential biological process, revealing that two steps in the synthesis pathway are, in reality, reversed. Read more »

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