New Horizons explorer

Guests congratulate New Horizons team members after they received signals from the New Horizons spacecraft that it is healthy and it collected data during the fly of Ultima Thule, at Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Maryland, U.S., January 1, 2019. Credit: NASA/Bill Ingalls/Handout via REUTERS.

NASA Space Probe ‘Phones Home’ in Landmark Mission to Solar System’s Edge