Deni Seymour has spent decades researching first contact between Native Americans and European settlers. Then she found a 500-year-old cannon.

Seymour's first find had come in July, and now she was systematically scouring the southern Arizona site ... story behind it The cannon is a wall or rampart gun, designed to rest on the parapet ...

(NewsNation) — A 480-year-old gun researchers discovered in Arizona is likely the oldest known firearm in the continental U.S. and will have a new home at the Arizona State Museum. A bronze ...

PHOENIX — A man who pointed a gun at police during a chase was fatally ... ran from officers at the house and jumped over a wall onto the north side of Baseline Road, according to authorities.

Seymour's first find had come in July, and now she was systematically scouring the southern Arizona site, looking for – and ... A rare find with a compelling story behind it The cannon is a wall or ...

Seymour's first find had come in July, and now she was systematically scouring the southern Arizona site, looking for — and finding — more. Seymour had just started to sweep over the desert ...