The purple tomato was altered to make it taste better and boost nutrition.

As home gardeners in the U.S. page through seed catalogs and pick out their favorite heirlooms, there's a new seed that has never been available to them before: a tomato the color of a concord grape ...

Purple tomatoes are due to hit shelves this year, packing possible health benefits. Here’s what you need to know.

A genetically modified purple tomato enriched with added anthocyanin - a powerful antioxidant found in berries - may provide ...