Long before it became the giant planet we see today, Jupiter was even bigger and had a much stronger magnetic field, according to a new study that looked back in time to reveal what the world was like ...

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

As the most massive planet in the Solar System, and first to form, Jupiter’s gravity shaped the formation of everything else. To better understand how the newborn giant threw its weight around, ...

As Earth catches up to and passes Jupiter bringing it at its closest, biggest, and brightest in the evening sky. The bright star seen in the eastern evening sky in recent weeks isn't a star, it's a ...

Jupiter reaches its closest point to Earth tonight, appearing large and bright in Pakistan’s sky from sunset to sunrise.