Donald Trump is renewing calls for Apple to move iPhone production to the U.S., threatening a 25% tariff on devices not made ...

Earlier this year, NASA mission controllers ... contact with Voyager 1 might be lost forever. The main concern revolved around the spacecraft's roll thrusters, which ensure its antenna remains ...

NASA mission controllers ... contact with Voyager 1 might be lost forever. The main concern revolved around the spacecraft's roll thrusters, which ensure its antenna remains pointed at Earth.

NASA mission controllers raced against time to find a solution before a crucial ground-based radio used for communicating with Voyagers 1 and 2, went offline for upgrades.