A space probe flying past Mars captured images of the red planet's small, mysterious moon. While on a flyby of Mars, Hera was able to use three of its imaging instruments to capture images of Deimos, ...

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, the fourth planet from the Sun, is a subject of fascination for astronomers. Though significantly smaller than Earth, this red-hued world has two moons that continue to spark debate among ...

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, ...

"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 ...

Mars will sit less than 10 degrees above the horizon at sunset, with the 11 %-lit waxing crescent moon hanging less than 6 ...