The human species keeps experiencing threshold moments. At times it seems everything's right on the brink. This time, there's a nice change: It's a good thing. There's even a love story here, as sincere and big-hearted as space.
First, the news: Fans of sci-fi and science fact are coming up on a special moment: knowing an object of human origin is about to move into interstellar space.
Nearly 35 years after launch, two Voyager spacecraft, sent aloft less than three weeks apart, in the summer of 1977, are thrumming along fine, and continue to send back intriguing accounts of their journeys.