Mars’s moon, Phobos, is striped with grooves all across its surface. But if one theory about where they came from is true, does that mean this moon might be on its way out?

You might be pretty confident that when a moon is there it’s there to stay, but that’s not always the case. Moons may have a history of disappearing.

ESA's Hera mission flying by Mars. See views captured with its Asteroid Framing Cameras. Credit; ESA - European Space Agency Music: A New Beginning by Bruce Brus / courtesy of Epidemic Sound

Find out how many moons there are in our Solar System, and what makes some of them special.
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This video examines details relating to the planets Mercury and Venus.

Japan is set to launch a robotic mission to the Martian system in 2024. <br/>

Mars has two moons, Phobos and Deimos. Both are small, airless bodies with irregular shapes. Because they lack protective atmospheres and magnetospheres, Phobos and Deimos are directly exposed to the solar wind for part of...

When the Hubble Space Telescope observed Mars near opposition in May, 2016, a sneaky companion photobombed the picture. Phobos, the Greek personification of fear, is one of two tiny moons orbiting Mars. In 13 exposures over 22...

Mars has been all over the news and media lately. It certainly looks like humans will set foot upon its surface very soon! Just in case you're one of the lucky people who get to go, you'd better learn all about the planet first, don't...