The King of the Planets teams up with an exceedingly narrow crescent moon for the last time this year in the evening sky on ...

Jupiter joins Mercury in early twilight as Mars lingers with Leo after dark. Saturn is visible in the morning, meeting ...

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

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

Now three months past its conjunction with the sun in March, Saturn is currently well separated from the dawn glow. On June 1 ...

On the evening of May 27, the 23-hour-old moon will appear low in the northwestern sky starting about a half-hour after ...

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

This is a day-old moon from Feb. 19, 2015 low in the western sky shortly after sunset. Notice that the entire outline of the moon is faintly visible. This is caused by sunlight reflecting off the ...

NASA's Juno mission finds a massive lava lake in Jupiter, offering new insights into volcanic activity beyond Earth and the ...

A new study reveals that Jupiter has massive primordial form and powerful magnetic field, offering fresh insights into how it ...

Tianwen, which means "questions to heaven," is the name given to China's program of robotic Solar System exploration. Tianwen ...