An illustration shows NASA's Juno spacecraft as it makes a flyby of the Jovian moon Io. NASA's Juno mission will come closer to Jupiter's moon Io than any spacecraft has in around 20 years on Saturday ...

NASA's Juno spacecraft has made a second flyby of Jupiter's moon Io, capturing the solar system's most volcanic body in stunning detail. The spacecraft also allowed operators to glimpse a side of Io ...

NASA is unraveling Io's volcanic secrets. The space agency's Juno spacecraft has been swooping progressively closer to Jupiter's profoundly volcanic moon Io, and its observations reveal the full scope ...

A NASA spacecraft made its closest-ever approach to Jupiter's moon Io, coming within 930 miles of the "surface of the most volcanic world," and the space agency released new images of the flyby. The ...

A spectacular image taken by NASA’s Juno probe this past weekend shows Jupiter’s moon Io with twin eruptions on the surface, underlining the fact that Io is the most volcanically active place in our ...

NASA’s Juno spacecraft, currently in orbit around Jupiter, will soon be making a close flyby of one of the planet’s most dramatic moons, Io. On Saturday, December 30, Juno will come within 1,000 miles ...

A new view of Io captured by NASA's Juno probe. Credit: NASA / JPL / SwRI / MSSS / Gerald Eichstädt / Thomas Thomopoulos CC BY 3.0 Unported NASA's Juno probe, exploring worlds hundreds of millions of ...

NASA’s Juno spacecraft snapped this photo of Jupiter’s very scary moon Io, just in time for Halloween. At first glance, Jupiter’s moon Io looks like it’s painted in cozy autumn colors: shades of ...

NASA is taking space enthusiasts on an unprecedented expedition to a volcanic world situated amid the vast expanse of our universe. The Juno mission launched on August 5, 2011, and entered into ...

NASA's Galileo orbiter will dart past Jupiter's moon Io on Thursday in the veteran spacecraft's last and closest flyby of any of the giant planet's four major moons. NASA's Galileo orbiter will dart ...