With an atmosphere, by mass, of primarily hydrogen (76 per cent) and helium (24 per cent), and by volume of 89 per cent ...

Jupiter’s rule of the evening sky is coming to a close. Catch some action there while you can, shortly after sunset this ...

Jupiter may have once been more than twice its current size, with a magnetic field 50 times stronger, say scientists who ...

Using computer simulations, the researchers uncovered a scenario in which an ancient asteroid impact briefly amplified that field, just long enough for nearby rocks to capture and record its magnetic ...

NASA’s Juno spacecrafthas once again delivered breathtaking images of Jupiter, capturing the giant planet’s swirling storms ...

According to their work, Jupiter's radius was once two to two-and-a-half times its current radius—large enough to contain ...

Astronomers have discovered that the Jupiter, the largest planet in our Solar System, was once so big that it could have held ...

Jupiter wasn’t always the planet we know today—it was once twice as big, had a magnetic field 50 times stronger, and its ...

As the most massive planet in the Solar System, and first to form, Jupiter’s gravity shaped the formation of everything else.

Understanding Jupiter's early evolution helps illuminate the broader story of how our solar system developed its distinct ...

On the fiery Io, the innermost and third-largest of Jupiter’s four Galilean moons, Juno's observations have provided more insights about its incessant volcanic activity. It's a world home to ...

The brutal conditions also make Io intriguing to NASA scientists intent on learning more about the innermost and third-largest of Jupiter’s four Galilean moons. For nine years, a spacecraft ...