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 ...

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

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 ...

The Mars Sample Return effort was billions of ... explanation for how the Red Planet ended up with small Phobos and tiny Deimos. President-elect Donald Trump joined Elon Musk in Texas and watched ...

Mars is known as the 'Red Planet.' Learn about its reddish hue, caused by iron oxide, its position as the fourth planet from ...

Pluto may have got romantic to capture its largest moon, colliding and engaging in a passionate but icy 10 hour kiss with ...

And some sky-gazers will be able to glimpse a cosmic magic trick when the moon appears to pass in front of Mars. The full moon will be at peak illumination at 5:27 p.m. ET Monday but will appear ...

The Mastcam-Z camera on NASA’s Perseverance rover captured the Martian moon Phobos as it eclipsed the sun. Credit: ...