Flandrau Science Center and Planetarium will celebrate its 50th anniversary on Dec. 13 with free admission and a special ...

Jimmy Carter — philanthropist, humanitarian and the 39th President of the United States — has died, the Carter Center, a nonprofit group founded by the former president, confirmed Sunday. President ...

Speculation is growing that one or both of Arizona's Democratic U.S. senators could make a run for president in 2028. Why it ...

Democrat Ron Barber will finish the congressional term of his former boss, former U.S. Rep. Gabrielle Giffords. Barber soundly defeated Republican Jesse Kelly by about 7 percentage points in Tuesday's ...

A remarkably clean gravitational-wave detection has confirmed long-standing predictions about black holes, including ...