Incredible new images of the sun's surface provide an unprecedented view of sunspots and other solar activity.

Do you ever find yourself staring at the sky, completely caught off guard by how beautiful it looks? Some sunsets have a way ...

Noctilucent clouds, Earth's highest clouds, shine blue in the twilight sky from late May to August in the northern hemisphere ...

Hop a flight, channel your inner Emma Stone trying to make it in Hollywood, and twirl into a cinematic La La Land moment.

This week is the best time in May to view the night sky. Here's everything you can see during May's dark skies, from an ...