The Voyager spacecraft, on a decades-long journey of exploration, have made an unusual discovery at the edge of our solar system. They’ve detected a layer of hot plasma at the solar system’s boundary, ...

NASA's farthest spacecraft, Voyager 1, is running low on power but carries on its journey through interstellar space. At 15.4 billion miles away from Earth in interstellar space, Voyager 1 won't last ...

Voyager 1, launched in 1977, has traveled farther than any spacecraft in human history. After more than four decades of silent endurance through space, it now sails beyond the orbit of the outer ...

The first spacecraft to ever leave our heliosphere, Voyager 1 is a legendary spacecraft. Now, after 46 years, it is beginning to show its age. According to NASA, a glitch in the spacecraft’s Flight ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of the Voyager 2 spacecraft exploring space beyond the solar system. | Credit: ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. NASA’s Voyager 1 ...