After nearly half a century of flight, Voyager 1 is closing in on a distance that once belonged purely to thought experiments: one full light-day from Earth. The tiny spacecraft, launched in the late ...

In late 2026, a spacecraft launched in the 1970s will reach a distance from our planet that once belonged purely to science ...

Voyager 1 is one of humanity's greatest achievements in space travel. This spacecraft was launched by NASA in September 1977 on a one-way trip to the outer reaches of our solar system. Originally, it ...

It takes a beam of light a single day to travel 16.1 billion miles, a distance known as a light-day. It'll take Voyager 1, the American spacecraft moving at 10.6 miles per second, more than 49 years ...