People Astronomy

Postcards from Voyager

The Science Life

NASA launched  twin Voyager probes (one shown) in 1977. Many of the crafts' instruments still  work, with 8-track recorders handling the data.

NASA

By Alexandra Witze

- More than 2 years ago

To catch the faint signal of a spacecraft leaving the solar system, you have to listen very carefully. At NASA’s Jet Propulsion Laboratory in Pasadena, Calif.,