Why are the Voyager spacecraft getting closer to Earth?
NASA's Voyager 1 Explores Final Frontier of Our 'Solar Bubble' - SpaceRef
Voyager - Did You Know?
Voyager 1
Voyager 2 Illuminates Boundary of Interstellar Space | Johns Hopkins University Applied Physics Laboratory
Voyager 1: Facts about Earth's farthest spacecraft | Space
Voyager - NASA's Voyager 2 Probe Enters Interstellar Space
Voyager - Mission Status
NASA Voyager 1 spacecraft nears interstellar space
NASA's Voyager 2 spacecraft is now interstellar. Where to next?
Where in Space Is Voyager 1?
Here's what we had to say about Voyager 1 when it launched 41 years ago
Voyager 1 - Wikipedia
Where are the Voyagers now? | National Air and Space Museum
Voyager 1 Enters "Magnetic Highway," The Final Area before Interstellar Space
Voyager 1 Is Humanity's Most Distant Creation - Atlas Obscura
The Voyager Probes: A 35 Year Galactic Road Trip - Science in the News
Voyager 1 Enters Interstellar Space
Record-Breaking Voyager Spacecraft Begin to Power Down - Scientific American
Voyager 1 Leaves Solar System, NASA Confirms
