The Hubble Space Telescope is old. Here's NASA's new plan to keep it alive through 2035

Closeup of a silver telescope in space, with earth in the background.

The Hubble Space Telescope continues to show signs of its advanced age.

Late last month, the iconic observatory went into a protective "safe mode" after detecting anomalous readings from a gyroscope, a device that helps mission team members point Hubble toward its cosmic targets.