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 currently has two satellite moons – Phobos and Deimos – the twin sons of Ares, the god of war (Mars in Roman mythology) ...

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

The Red Planet will be at its closest point to Earth, also known as perigee, on Jan. 12 and will be exactly opposite the sun ...

The European Space Agency’s (ESA) Mars Express orbiter captured stunning views of a winter wonderland on Mars, but this isn’t ...

Mars has two small moons, Phobos and Deimos. Phobos is gradually spiralling inward towards Mars and is expected to crash into the planet within 40 million years, potentially forming a ring system ...

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a ...

Mars has two moons, Phobos and Deimos. Scientists still debate whether these came from asteroids that passed close into Mars' Hill sphere radius and got captured by the planet, or if they were ...