Unpack "Algol": from the mysterious "Demon Star" that dims and brightens, to a groundbreaking early computer language. Discover its surprising history and diverse meanings.

Explore "sun": its meaning, definition, ancient etymology from Proto-Indo-European roots, real-world examples in literature and media, and common idioms.

From the Roman god of the underworld to a controversial dwarf planet. Explore the complete meaning, definitions, and examples of the term "pluto."