What historical events led to the establishment of the Grand Canyon as a National Park in Arizona? (en-US)

How did Greenwich Mean Time (GMT) become the standard reference for time? (en-US)

Why is the default keyboard layout QWERTY in the US? (en-US)

How did the US develop its unique accent and spelling variations from British English? (en-US)

Why does the US have a presidential system of government instead of a parliamentary one? (en-US)

Arizona women face hurdles to get birth control without prescription (en-US)

Grand Canyon University fined $37.7 million for misleading students about doctoral costs (en-US)

Tax rebates are now available for nearly 750,000 Arizona families (en-US)

Arizona law restricting filming of police ruled unconstitutional (en-US)

ADOT seeks witty wordsmiths for safety message contest (en-US)