The Signal That Never Stopped

In 1977, NASA launched Voyager 1 into the unknown. Nearly fifty years later, engineers at the Jet Propulsion Laboratory in Pasadena still send commands to that small craft — now over fifteen billion miles from Earth. Every day, they listen for its faint signal. When its memory glitched in 2024, a team spent months devising a workaround, refusing to abandon a probe they had sent on its way decades ago.…