Voyager 1, NASA’s deep-space probe, could soon become the first spacecraft to reach a historic milestone. In November 2026, the probe will be one light-day from Earth.

At the ragged frontier where the Sun’s influence gives way to interstellar space, Voyager 1 has stumbled into something that ...

Voyager 1 and 2 traveled billions of miles to reach the heliopause, showing how the Sun's magnetic influence marks the boundary of our solar system.

It takes light a single day to travel 16 billion miles. The Voyager 1 probe will need a little longer, just 49 years.

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 ...

(CNN) — Surrounding our solar system is a natural and enigmatic cosmic shield called the heliosphere — and a new mission has launched to help astronomers better understand it. Created by the solar ...

Update: Voyager is officially “the first human-made object to venture into interstellar space,” according to NASA. Even the spaciest of space nuts could be forgiven for being a little confused about ...

It was a threshold crossed in the deepest reaches of space: A spacecraft launched from Earth has now entered new and unexplored territory that may or may not be outside our solar system. A press ...

At the farthest reach of the Sun’s influence, NASA’s Voyager 1 spacecraft has stumbled into a region that behaves less like ...