It is the largest object in the Solar System, but recent studies suggest it was once even twice as large as it is today.

It is the largest object in the Solar System, but recent studies suggest it was once twice as large as it is today.

Jupiter's already the big kahuna of the Solar System, an absolute unit of a planet with a mass 2.5 times greater than all of ...

Jupiter is the second brightest planet in the night sky, after Venus, which allowed early astronomers to spot and study the massive planet hundreds of years ago. In January 1610, astronomer ...

A celestial leap is set to take place over two nights as the moon and Jupiter will appear to dance near to each other in the night sky.

According to NASA, the planetary phenomenon will be clearest about 45 minutes before sunrise, low in the eastern sky and appearing near the moon. Venus and Saturn will be the easiest to spot — but for ...

NASA believes that the month of May brings visibility to four planets, a new star from a nova, a chance of meteor showers and ...

Astronomy fans got to see a planetary alignment in mid-April featuring Venus, Saturn, Mercury and Neptune. Stargazers will once again be treated to a planetary alignment in May, though not as big ...

Planetarium and Program Coordinator Katy Downing of the Lake Erie Nature & Science Center shares the visible planets and ...