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 ...

New research strengthens the case that Venus, long considered a geologically stagnant world, may be more Earth-like in its ...

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 ...

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 ...

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.

Jupiter begins to relinquish its dominance of the evening sky while Venus commands attention from early morning skywatchers. Gradually, during May, Jupiter is relinquishing its dominance of the ...

Venus passes 4° north of Saturn at 10 P.M ... the Galilean moons Europa and Ganymede stand 55″ apart, both to the east of Jupiter’s disk. They are visible through any telescope in the ...