Interstellar space
Voyager 1 Just Lost a Vital Instrument After 49 Years in Space
More than 15 billion miles from Earth, where sunlight fades into a dim glow…
Beyond the Sun's Last Breath, Voyager Found a Wall of Fire
In 1977, NASA launched two spacecraft on a mission that would outlast every…
Voyager Discovers Scorching Boundary At The Edge Of The Solar System
The edge of our solar system has always been imagined as a quiet fading point…