Red aurora above the Colima volcano. The photograph was taken near Quesería, Colima in Mexico. (Image credit: Raúl Arámbula./J. A. Gonzalez-Esparza et al.) On the morning of May 10 in Mexico, it's not uncommon to overhear the sound of children waking up and serenading the household. The crooning is a classic tradition for Mother's Day
