The Blue Ghost lander captured the shots before going silent. A space robot said "good night" to the moon as it completed its two-week mission, capturing the first high-definition images of a ...

Wait a few hours after sunset and look to the east with naked ... One of the brightest stars in the night sky, bluish-white Regulus spins at 143 miles per second—about 20 times faster than ...

This week is dominated by the rising of the full Moon. As it waxes towards being full at the weekend it will fill the post-sunset sky with light, making stargazing difficult—but not impossible.

The location of comet Pan-STARRS in the eastern sky of March 2013 just after sunset is shown in this NASA graphic. Astrophotographer Rukman Nugraha sent in an image of Comet Pan-STARRS taken over ...