Deimos is Mars' outer moon. It's a tiny, irregularly shaped moon and smaller than Mars' other moon, Phobos. Despite being unspectacular, Deimos remains a fascinating mystery. Deimos is one of only ...

Mars' moon Phobos may actually be a comet — or at least part of one — that was gravitationally captured by the Red Planet long ago, a new preprint study based on previously unpublished photos ...

The Red Planet beckons us toward it, and the day draws closer when humans will walk on its dusty surface, and the moons of ...

Phobos and Deimos – these names from Greek mythology were given to the moons of our neighbouring planet Mars, discovered in 1877 by the US astronomer Asaph Hall. Besides Earth's Moon, they are the ...

Several US missions and the European Mars Express mission, launched in 2003, have already provided data and images from Mars orbit that have helped to observe the moons. However, there was no ...

Formations that look like jumbo-sized kidney beans (or blobs of chocolate syrup, depending on your palette) may be indicators ...

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a subsurface ocean on the icy dwarf planet.

For example, Mars is orbited by two tiny potato-shaped moons called Phobos and Deimos, which are likely two asteroids that were captured by the red planet’s gravity. But that type of formation ...