At the ragged frontier where the Sun’s influence gives way to interstellar space, Voyager 1 has stumbled into something that sounds more like science fiction than plasma physics: a blisteringly hot ...

In late 2026, a spacecraft launched in the 1970s will reach a distance from our planet that once belonged purely to science fiction: one full light-day from Earth. When Voyager 1 crosses that ...

When NASA launched the Voyager 1 probe back in 1977, the initial objective was to gather information about our solar system — specifically, the region beyond the asteroid belt (between the orbits of ...

NASA's most distant spacecraft had a critical thruster problem far from home. Fixing it required a long-distance call to overcome extreme cold and dwindling power. When you purchase through links on ...

Contrary to its name, Voyager 2 was the first of the vehicles launched into space first in Aug. 20 1977 from Florida. Its twin probe, Voyager 1, launched two weeks later on Sept. 5. At more than 15 ...