NASA’s Voyager 2 spacecraft was back chatting it up Friday after flight controllers corrected a mistake that had led to weeks of silence. Voyager 2 has been hurtling through space since its ...

Voyager 1 has long left the Solar System and its protective "bubble" known as heliosphere, which means that NASA cannot possibly send a repair mission to replace the non-working chip anytime soon.

Why it matters: After spending 45 years in space, the Voyager 2 mission is still going strong. Energy supply isn't what it used to be, though, so NASA is working on new "tricks" that can extend ...