Ariel’s medial grooves could provide important clues about the moon’s internal structure, particularly regarding the presence ...

Last year, a study led by planetary scientist Richard Cartwright at the Johns Hopkins Applied Physics Laboratory (APL) in ...

Scientists have discovered that deep trenches on Uranus’ moon Ariel might be pathways for material from its interior to reach ...

When you hear the word “retrograde,” chances are visions of headaches, frustrations and roadblocks galore spring to mind. But ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Four planets will be in the parade in January, while seven will align in February. Here's how to see the events.

In a celestial event known as a great alignment the five planets will be discernible with the naked eye, but to see Neptune ...