SPHERE-4: Abstract Submission is Now Open!

The fourth Solar Physics High Energy Research (SPHERE-4) workshop will be held in Berkeley, California, on August 12-15, 2025. This workshop series is structured to foster the development of an integrated and unified understanding of high-energy processes on the Sun by bringing together experts in X-ray/radio/EUV observations, theory, and modeling. See http://sphere2025.ssl.berkeley.edu/ for information on the venue, abstract submission and registration, and early-career travel assistance. Abstract submission and registration both open May 15th. Abstract submission ends June 15th, while meeting registration ends August 5th.