Bothell, Wash.-based Portal Space Systems shows off the lab where its solar thermal propulsion system will be developed.

If we achieve advanced nuclear, antimatter propulsion or other advance propulsion it would be possible to achieve near ...

NASA engineers are turning off two instruments on Voyager 1 and Voyager 2 to ensure these twin spacecraft can continue ...

No human-made objects have traveled further into the final frontier than Voyager 1 and Voyager 2, but both probes are ...

Mission engineers at NASA’s Jet Propulsion Laboratory turned off Voyager 1’s cosmic ray subsystem experiment on February 25, ...

The farthest spacecraft from Earth are shutting off instruments in interstellar space, but their mission in interstellar ...

Voyager 1 crossed into interstellar space in 2012, followed by Voyager 2 in 2018, making them the only spacecraft to operate ...

Engineers at NASA's Jet Propulsion Laboratory have conserved energy supplies on the record-setting Voyager 1 & 2 deep space ...

Voyager 1 — launched in 1977 and now over 15.6 billion miles from Earth — started out with 10 science instruments, but now ...

For nearly five decades, the twin Voyager spacecraft have pushed the boundaries of human exploration, venturing deeper into ...

NASA’s twin Voyager probes, which launched in 1977, are the longest-running missions to send data home. But as their power ...