At 3:30 p.m. Wednesday Michael Chriss will present a lecture at the Arizona Senior Academy about “Comets in History.” He will trace the history of cometary appearances, including that of Halley’s ...

Gypsy jazz group to offer echoes of Django’s sound The Hot Club of Tucson brings its swinging style of gypsy jazz to the Arizona Senior Academy on Tuesday at 11:30 a.m. Also known as “hot jazz,” gypsy ...

What is the XRP Ledger? The XRP Ledger (XRPL) is a decentralized, open-source blockchain designed for fast and low-cost financial transactions. Unlike blockchains that use mining (Proof of Work), XRPL ...

ANNAPOLIS, Md. - The Navy heavyweight and lightweight rowing programs will get the chance to leave it all out on the water with action at the season-ending IRA National Championship this weekend in ...