At the farthest edge of the Sun’s influence, the Voyager probes have stumbled into something that sounds almost mythic: a sheath of gas heated to tens of thousands of degrees, a kind of invisible ...

Voyager 1 keeps moving farther from Earth than any human-made object. Launched in 1977, it flew by Jupiter and Saturn, sending back images and information that changed our understanding of the outer ...

As it heads out of the solar system never to return, the deep space probe Voyager 1 is headed for yet another cosmic milestone. In late 2026, it will become the first spacecraft to travel so far that ...