After a one-year hiatus because of COVID, Tucsonans will gather Saturday and beyond for a series of events to mark the 11th anniversary of the Jan. 8 mass shooting. The commemoration will begin at ...

Short-term memory is finite and fills up quickly. Here are 7 ways we can free up space for clearer-headed mathematical ...

The board received a recommendation from district math teachers Oct. 2 and approved the selection at its Oct. 6 regular meeting.

Although recent vaccine approvals have raised hopes of a turnaround in the pandemic later this year, renewed waves and new variants of the virus pose concerns for the outlook. Amid exceptional ...