National
The historical origin of Christmas and why it is celebrated on December 25
The choice of date has roots in ancient pagan celebrations and a key ecclesiastical decision that transformed a Roman tradition.
Solsticio de invierno
Technology
The winter solstice 2025 and the science of the shortest day
A cosmic event marks the seasonal change with the night lengthening and the Sun at its lowest point on the…
Technology
Guide to the astronomical events of December 2025
The night sky dresses up with a unique celestial parade, from colorful meteors to planetary encounters.