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

Nuclear pulse propulsion is a technology that would work. It was being developed in the 1960s but it was stopped because of ...

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

XI'AN -- A Chinese research team announced Monday that a space thruster has achieved full-power operation. The 100 kW ...

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

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

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

NASA’s twin Voyager spacecraft have just kept swimming – or zooming through space, collecting data from interstellar space ...

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

Engineers shut down the cosmic ray subsystem instrument on Voyager 1 on February 25. This tool, which consists of three telescopes that study cosmic rays, helped ...

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

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