There's never been a radio silence quite like this one. After long months with no way of making contact with Voyager 2, NASA has finally reestablished communications with the record-setting interstellar spacecraft. The breakdown in communications – lasting since March, almost eight months and a whole pandemic ago – wasn't due to some rogue malfunction, nor any run-in with interstellar space weirdness (although there's that too). In this instance, it was more a case of routine maintenance. And yet, when you're one of the farthest-flying spacecraft in history – leaving Earth and even the entire Solar System behind you –...