Look low on the southwestern horizon at sunset on Nov. 12 for a chance to see swift Mercury close to the red light of Mars in ...

Phobos and Deimos, photographed here by the Mars Reconnaissance Orbiter, are tiny, irregularly-shaped moons that are probably strays from the main asteroid belt. Credit: NASA Mars has two tiny moons.

(CNN) -- The Curiosity rover just sent back a stunning postcard capturing its view of a shimmering sunset on Mars. But rather than continuing to focus on the near-endless red stretch of rocks and dirt ...

On November 12, Mars and Mercury will be visible close to each other in the southwestern sky at sunset, offering a rare celestial spectacle.

Look to the western horizon to catch a fleeting glimpse of the thin crescent moon alongside the red glow of Mars on Aug. 26, set among the stars of the constellation Virgo. Mars will sit less than 10 ...

The crescent moon shines close to Mars above the western horizon at sunset on Sept. 24, but you'll need to be quick to spot the red planet before it slips swiftly from view alongside the twinkling ...