If a person goes outside on a clear, moonless night in the countryside, far from city lights, he or she will be treated to a breathtaking sight. Above stretches a velvet black canopy studded with thousands of pin- points of light, some brig...

Legislature of the U.S., separated structurally from the executive and judicial (&see; judiciary) branches of government. Established by the Constitution of the United States, it succeeded the unicameral congress created by the Articles of...