The letter “x” often symbolizes something unknown, with an air of mystery that can be appealing. Illustration by Meilan Solly Even though “x” is one of the least-used letters in the English alphabet, ...

European countries dealt a harsh punishment to Germany for its role in the First World War—a move that would soon come back to haunt the world. United States president Woodrow Wilson smiles as he ...

In just a few decades, mobile phones have gone from a luxury reserved for the elite to an essential tool for billions of users. From the first in-car phones of the 1940s to the best smartphones of ...