NASA's nearly 50-year-old Voyager spacecraft are continuing their journey through interstellar space, but their ageing technology and declining power supplies are raising questions about how much longer they can operate. Voyager 1, the farthest human-made object from Earth, briefly lost communication with NASA in October 2026. However, the spacecraft's signal returned after 48 hours, and engineers have since re-established contact. The incident came as NASA was working to conserve its remaining power and extend the mission. Meanwhile, its twin, Voyager 2, is also travelling through interstellar space, more than 21 billion kilometres from Earth. Here's where Voyager 1 and Voyager 2 are currently located, why Voyager 1 briefly went silent, and how much longer the two spacecraft could survive.
