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 ...

The mystery of how Mars acquired its moons, Phobos and Deimos, may start to be unravelled in 2026 with the launch of a spacecraft that will eventually bring a chunk of Phobos back to Earth. “We are ...

Although both moons orbit Mars much closer than our own Moon orbits Earth, they also are very small: Phobos measures only 12 miles (19 kilometers) across and Deimos is half that. Their apparent sizes ...

Experts speculate a new Phobos mission could launch by 2030, leveraging advancements in propulsion and AI for safer trajectories. The Phobos-Grunt mission, Russia’s endeavor to explore Mars’ moon ...