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 ...

Jupiter, the largest planet orbiting the sun, used to be much bigger and stronger when the solar system was just beginning to take shape, a pair of astronomers say. Two scientists at Caltech and the ...

Looking for a sky event this week? Check out our full Sky This Week column. November 30: Watch Titan reappear Jupiter is the ...

For a planet so far from the sun, its upper atmosphere is a boiling 400 degrees Celsius (750 Fahrenheit). That's about the same as Earth's upper atmosphere. "Jupiter is five times farther from the sun ...

Using images from the James Webb Space Telescope (Webb), an international research team including Western's Stanimir Metchev ...

The king of the planets is jumping out at you in the early evening sky and stays out all night long. Not only that, it will be in our Rochester evening sky through the coming summer. Jupiter has ...