phere (also known as Sphere at the Venetian Resort) is a music and entertainment arena in Paradise, Nevada, United States, east of the Las Vegas Strip. Designed by Populous, the project was announced by the Madison Square Garden Company in 2018, known then as the MSG Sphere. The venue, which seats 18,600 people, is being marketed for its immersive video and audio capabilities, which include a 16K resolution wraparound interior LED screen, speakers with beamforming and wave field synthesis technologies, and 4D physical effects. The venue's exterior also features 580,000 sq ft (54,000 m2) of LED displays. Sphere measures 366 feet (112 m) high and 516 feet (157 m) wide. The arena cost $2.3 billion, making it the most expensive entertainment venue built in the Las Vegas Valley. Sphere opened on September 29, 2023, with Irish rock band U2 beginning a 40-show residency called U2:UV Achtung Baby Live at Sphere. Director Darren Aronofsky's docu-film Postcard from Earth opened on October 6, 2023. Since its opening, the venue has also hosted residencies ranging in length for Phish, Dead & Company, and the Eagles. The venue is owned by Sphere Entertainment, which was created as a spin-off from the original MSG Company.