Phobos, the 22-km diameter innermost moon of Mars, is a groovy body. Unlike its little brother Deimos, Phobos has developed a striking pattern of parallel linear features running across its surface.

The Martian moon Phobos orbits through a stream of charged atoms and molecules that flow off the Red Planet’s atmosphere, new research shows. Many of these charged particles, or ions, of oxygen, ...

Understanding the process could help reveal the moon's strange origins. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The eccentric orbit of ...

Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

In 1988, the Soviet Union launched two of its most ambitious spacecraft ever built not toward Mars itself, but toward one of ...

Artist’s concept of Japan’s Mars Moons eXploration (MMX) spacecraft, carrying a NASA instrument to study the Martian moons Phobos and Deimos. The mission should contain a sample return component, and ...

The martian moon Phobos orbits through a stream of charged atoms and molecules that flow off the Red Planet's atmosphere, new research shows. Many of these charged particles, or ions, of oxygen, ...