Another hypothesis is that Phobos and Deimos formed very much like Earth's moon did — that an impact on the surface of Mars threw debris into orbit that eventually coalesced into the two moons.

The names Phobos and Deimos mean "fear" and "panic ... Flying without any humans aboard, the probe soared past Mars and sent back photos of the planet's surface, according to NASA.

Forbes contributors publish independent expert analyses and insights. I cover aerospace, astronomy & hosted The Cosmic Controversy Podcast.

The Doom games are widely known for taking players to futuristic science installations on Mars, but they also ... it's up to 'Doomguy' to secure the Phobos and Deimos bases. Later, he takes ...

“We’re really agnostic to the surface that we’re landing ... sensor could be adapted for other moons: Phobos and Deimos, the satellites of Mars. “You can’t land on Europa without it ...

Between 2014 and 2018 I led a team of Museum Researchers and Curators working with the European Space Agency to develop a collection of different rocks and minerals that are analogues of the surfaces ...

Credit: Robert Citron From alluvial fans to lake beds, Mars has no shortage of surface features that ... its two moons, Phobos and Deimos, are far too small to exert much of a tidal force.) ...

The European Space Agency’s (ESA) Hera spacecraft successfully tested its autonomous surface feature tracking ... Planet and its enigmatic moons, Deimos and Phobos, marking its first deep ...