Mars will shine close to the blue star Spica at sunset on Sept. 13, but you'll need a clear view of the western horizon to catch the colorful duo before they slip swiftly out of view. Both Mars and ...

(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 ...

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 ...

Using photos taken from Mars by the Opportunity Rover, NASA has recreated the sunset the rover sees from the red planet. Hit play and be mesmerized. Mars NASA Opportunity Vine Get the best tech, ...

October's longer nights bring two transits of Titan across Saturn, while Io and Europa tango together across Jupiter three ...

The new moon on Aug. 23 at 2:06 a.m. EDT (0606 UTC) is also a black moon, defined as the third new moon in a season that will see four new moons. Three days later, the moon will make a close pass to ...