Pi Day is celebrated today, 14 March, round the world. Pi (Greek letter π) is the symbol used in mathematics to represent a constant — the ratio of the circumference of a circle to its diameter — ...

A Hong Kong court has ruled that two Tiananmen vigil activists have a case to answer over calls to “end one-party rule” in China in a subversion trial under the Beijing-imposed national security law.

Arizona Gov. Doug Ducey announced the appointment of a new Pima County Superior Court judge Friday. Danielle Kamps Constant will be filling the vacancy created by the retirement of Judge Deborah ...