A billionaire hopes to upgrade the Hubble telescope during a private SpaceX mission, but could that really happen?

NASA’s iconic Hubble Observatory still has years to live, and there are ideas in the works to perhaps keep it running even longer — but those proposals could face an uphill battle. The Hubble Space Telescope, launched in 1990, has been serviced by astronauts five times and remains in good health. But the telescope is … Read more