Italian aerospace and defense giant Leonardo is expanding its presence in metro Tucson with a new laser manufacturing plant that will add 170 jobs to its local payroll.

A major European laboratory services company plans to open a new site at the University of Arizona Tech Park, creating two dozen jobs in Tucson.

Microsoft boosts Apple and Linux with Windows 11 upgrade tax Linux hits 5% of desktop OSes in the US, Apple's share grows — and Windows slowly falls, according to StatCounter.