Engineers fixed Voyager space probe's mysterious glitch but found another that's even stranger

For most of the year, NASA's Voyager 1 spacecraft has been sending home mysterious system data. Launched in 1977, the Voyager 1and itsGolden Record, the iconic message for extraterrestrialsis currently 14.5 billon miles from Earth in interstellar space.So far, the Voyager mission has lasted far longer than ever expected, but in May, engineers determined that Voyager 1 was transmitting weird data about the health and activities of its attitude articulation and control system (AACS) responsible for aiming the probe's antenna pointed in the right direction. — Read the rest