Tucson-based Raytheon Missile Systems plans to expand its Southern Arizona operations and add nearly 2,000 jobs over five years, potentially adding billions of dollars to the local economy.

Raytheon Technologies Corp. said Tuesday it has conducted another round of job cuts — this time about 1,500 — within its Collins Aerospace division that has a major operational hub in Winston ...

Global airlines wrapped up a two-day summit on Tuesday sticking to a target of net zero emissions by 2050, but voicing fresh worries about the availability of greener fuels and new planes.

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