Check out the full WTA rankings here. How do tennis rankings work? Women's tennis world rankings are calculated by the WTA, who award points based on a player's performance at particular tournaments.

Interested to learn about the Environmental and Social Framework (ESF)? The World Bank offers an online course entitled “ESF Fundamentals” aimed at environmental and social practitioners who are ...

The Chicago Manual of Style is an American English style guide published by the University of Chicago Press. The Manual’s guidelines for publishing, style and usage, and citations and indexes—known as ...

The roots of Russia's invasion of Ukraine go back decades and run deep. The current conflict is more than one country fighting to take over another; it is — in the words of one U.S. official — a shift ...

How the shuttering of a small US-funded news outlet explains Trump’s governing philosophy.