Materials scientists at Rice University have developed a new workflow methodology for measuring microscopic defects in ...

Donald R. Diamond, influential Tucson land developer and businessman as well as prominent philanthropist, died Monday. He was 91. Over more than 50 years in real estate here, Diamond became a large, ...

An engagement ring is one of the few pieces of jewelry worn daily for decades—and sometimes passed down through generations. This makes craftsmanship, quality and durability just as much a focus as ...

Diamond stocks are shares of companies that mine diamonds, sell wholesale diamonds or diamond jewelry, or produce lab-manufactured precious stones. Diamonds epitomize luxury for many people. They're ...

A 40-year-old Waianae man is scheduled to plead guilty Monday to threatening to kill a federal law enforcement officer and their family during a drug bust in November. Read more ...