NASA's New Horizons Wakes After 321-Day Hibernation, 9.5 Billion km From Earth

NASA's New Horizons probe successfully ended a 321-day hibernation on 23 June 2026, confirmed by mission controllers at the Johns Hopkins Applied Physics Laboratory in Laurel. At the moment of wake-up it was approximately 9.5 billion kilometres from Earth, with its radio signal taking 8 hours and 52 minutes to reach a Deep Space Network antenna near Madrid, Spain. The team has begun downloading technical health data and scientific data collected by three onboard instruments during hibernation.

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