Samsung has released plenty of wallpapers over the years, with some being better-looking than others. Here are my favorite ones.

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

Take a journey to 89 million light-years away from Earth to the NGC 7727 galaxy. It harbors the closest pair of supermassive black holes discovered yet. Credit: ESO/L. Calçada ; N. Risinger (skysurvey ...