Flybys of Jupiter’s fiery moon Io ... became the first person to identify a volcanic plume as she studied an image of Io captured by Voyager 1. The revelation sparked a decades-long mystery ...

For nearly 50 years, NASA's Voyager 1 mission has competed for ... Io to Saturn's cloudy Titan to plumes erupting on Triton, a moon of Neptune. The Jupiter and Saturn systems have since been ...

Some 369 years later, NASA's Voyager 1 spacecraft captured a volcanic eruption on the moon. Subsequent missions to Jupiter, with more Io flybys, discovered additional plumes—along with lava lakes.

The original mission was meant to last four years as the probe visited Jupiter and Saturn. It’s now spent 46 years in space, making Voyager 1 and its twin Voyager 2 the longest-operating ...

Voyager 2 preceded it into space by 16 days, but Voyager 1 quickly overtook it on a faster trajectory, and arrived at Jupiter 4 months before its sister craft. Voyager 1 took this photo of Jupiter ...

Voyager 1 visited Jupiter and Saturn and then kept on going and going. In 2012, it left our cosmic neighborhood and entered the space between stars. It was the first human-made object to leave our ...

Moment Nasa spacecraft blasts off to hunt alien life on Jupiter moon A spacecraft that ... they saw water ice. Voyager 1 and 2 spacecrafts captured the first close-up images, and then in 1995 ...

Since Galileo first laid telescope-enhanced eyes on Jupiter, scientists have continued to study the curious world from both the ground and the sky. In 1979, NASA's Voyager 1 and 2 spacecraft ...

This artist's impression shows Jupiter and its moon Europa using actual ... images showing the faint emission from the water vapour plumes have been superimposed, respecting the size but not ...

NASA scientists say images taken by the Hubble Space Telescope in 2014 suggest there may be water vapor plumes erupting off the surface of Jupiter's moon Europa. WSJ's Monika Auger reports.