Cook the pasta according to package instructions until al dente.
Drain and rinse with cold water to stop the cooking process. Let it cool completely before mixing.
Cube the apple, carrot, and bell pepper into small bite-sized pieces.
Drain the canned corn and pineapple, reserving a bit of the pineapple juice for the dressing.
In a small bowl, whisk together mayonnaise, Greek yogurt, pineapple juice, salt, and pepper until smooth.
Adjust consistency by adding a touch more pineapple juice if needed.
In a large bowl, combine cooled pasta, apple, carrot, bell pepper, corn, and pineapple.
Pour the dressing over and mix gently until evenly coated.
Refrigerate for at least 30 minutes before serving.
Serve cold as a main dish or alongside grilled meats, sandwiches, or wraps.