Mars' moons are not easy to explain ... perhaps exploring how Saturn's rings may have formed, or other puzzling moons. The findings were published on Nov. 20 in the journal Icarus.

Uncover the mystery behind Saturn’s iconic rings. ExtremeTech explains their origins and the science of our solar system.

The moon makes for an excellent guide to see Mars in the night sky tonight. As the sun sets this evening (Feb. 9), the moon will be shining brightly in the east, 93% illuminated in its waxing ...

This is a world of unique complexity, made up of a central body and its satellites, not to mention the famous ring surrounding the planet at its ... The orbiter will perform repeated fly-bys of the ...

A world-leading designer of space robots says gigantic new rockets being tested by billionaires Elon Musk and Jeff Bezos are creating a “Golden Age of Space Exploration.” ...

Rings and moons are the matter that orbit a celestial body other than a star. Rings are a collection of dust or small particles that form into a flat disk. Moons, or natural satellites ...

Jumping workouts could help astronauts prevent the type of cartilage damage they are likely to endure during lengthy missions to Mars and the moon, a new Johns Hopkins University study suggests.