The ocean comes alive after dark as Birch Aquarium at Scripps Institution of Oceanography at UC San Diego casts a spell of science and seasonal fun with Halloween Aglow! This year’s event takes place on October 24 and 25 from 6 to 8:30 p.m. for two nights of Halloween festivities with an educational twist. New this year — trick-or-treat in Adam R. Scripps Living Seas Gallery as it transforms from day-to-night with special lighting and glowing surprises around every corner. Plus don’t miss the science of slime as you embrace your inner scientist! From unusual animals to eerie illuminations, Halloween Aglow celebrates the wonders and mysteries of the ocean in a family-friendly atmosphere. Tickets go on sale September 26.