Cook pasta according to package directions, omitting salt and fat. Drain.
Heat olive oil in a large nonstick skillet over medium-high heat. Add onion, garlic, and crushed red pepper to pan; sauté 3 minutes or until onion is lightly browned. Stir in tomato paste and tomatoes; cook 4 minutes or until thick, stirring constantly. Stir in clams; cook 2 minutes or until thoroughly heated. Remove from heat; stir in parsley, basil, and oregano. Serve with pasta.