Final answer:
Gwyneth Paltrow's lifestyle publication is called Goop, which started as a newsletter and has grown into a comprehensive lifestyle brand covering topics from beauty to travel.
Step-by-step explanation:
The lifestyle publication created and owned by Gwyneth Paltrow is called Goop. Initially launched in 2008 as a weekly newsletter providing new age advice, such as wellness tips and recipes, Goop has evolved into a lifestyle brand that includes e-commerce, pop-up shops, wellness summits, and more. The publication covers a wide range of topics from beauty to travel, and it has sparked much discussion over its promotion of various wellness trends and products. While it has its critics, Goop remains influential and continues to have a dedicated following.