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 ...

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

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

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 ...

Learn about Mars at opposition in January 2025, when the Red Planet is closest to Earth. Discover how to view it, key dates, ...

A study published in Icarus explores the possibility that Mars’ moons, Phobos and Deimos, formed from asteroid debris torn apart by the planet’s gravitational forces. Researchers ran advanced ...

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