Forbes contributors publish independent expert analyses and insights. I cover aerospace, astronomy & hosted The Cosmic Controversy Podcast. Mars' mysterious moons of Deimos and Phobos have long ...

Both Phobos and Deimos are observable from the Martian surface. Phobos, larger and closer to Mars than Deimos, exhibits noticeable waxing and waning phases within a single appearance due to its rapid ...

Mini moon: two views of the Martian moon Deimos taken by NASA’s Mars Reconnaissance Orbiter. (Courtesy: NASA) A new theory for the mysterious origins of Mars’ two tiny moons Phobos and Deimos has been ...

Astronomers used a computer to simulate the orbits of both Phobos and Deimos. The moons of Mars — Phobos and Deimos — are two fragments of what was once a much larger Martian satellite that was blown ...

While there are over 200 moons in our solar system, only three exist around the inner terrestrial planets, and two belong to the planet Mars. These two are Phobos and Deimos, and they are small, ...

For years astronomers have been trying to determine the origin of Mars’ moons, Phobos and Deimos. The long standing argument that they were captured asteroids may fall by the wayside in lieu of a new ...

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International collaboration finds that two small satellites (Phobos and Deimos) orbiting Mars can also be formed by a giant impact like the origin of our Moon. The research is reported in Nature ...

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•For a solar-powered mission with a focus on tele-robotic operation of Mars surface assets, Deimos is a better choice of location than Phobos, due to its superior coverage of sites on the Martian ...