When you buy through links on our articles, Future and its syndication partners may earn a commission. Martian moon Deimos seen crossing the face of Mars in this sequence of Thermal Infrared Imager ...

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at its closest point to Earth in its orbit, and Hall had one question on his ...

Mars has two small, strange moons, Phobos and Deimos, and their origin is still one of the biggest unanswered questions in ...

Mars is probably smaller than you think. It's just half the size of Earth, with barely a third of its mass. Even the Martian moons Phobos and Deimos are petite, measuring just a few kilometers in ...

International collaboration finds that two small satellites (Phobos and Deimos) orbiting Mars can also be formed by a giant impact like the origin of our Moon. The research is reported in Nature ...

"It's exciting to explore a new option for the making of Phobos and Deimos." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Computer simulations ...

The conventional wisdom about Mars’ small and misshapen moons, Phobos and Deimos, is that they were either created like Earth’s Moon — carved out of the planet by an impact with a huge object — or ...

A European spacecraft on a journey to study NASA's asteroid crash site did a quick pop-in of Mars on its way, capturing ...

The two moons of Mars may once have been a single comet that was ensnared and split by the planet – and an upcoming mission could find out for certain. How Mars got its two moons, Phobos and Deimos, ...

Mars’ moons could be the remains of an ill-starred asteroid that got too close to the Red Planet. A shredded asteroid origin could help explain mysterious features of the small, odd-shaped moons, ...

NASA’s longest-lived mission to Mars has gained its first look at the Martian moon Phobos, pursuing a deeper understanding by examining it in infrared wavelengths. The Thermal Emission Imaging System ...

We often think getting to know Mars will require us to actually get there in person and have a look at the place. While that may be true when it comes to uncovering the mysteries of the planetary ...