It's easy to get lost in a clear night sky full of stars. It can feel like a random mess of lights without a little guidance.

Find out what's up in your night sky during ... the prominent open star cluster known as the Pleiades, the Seven Sisters and Messier 45, is climbing the southeastern sky. The stars of its home ...

The line became known as the main sequence. Competing groups of astronomers came up with different ways to categorize main ...

The dramatic “blood moon” will be the first total lunar eclipse visible from Ontario in nearly three years, weather permitting.

Seven planets will line up for a rare "planetary parade" today (Feb. 28) and you can watch it live online, beginning at 12:00 p.m. ET (1700 GMT).

Seven planets are on display in the night sky at the end of February, but some will be harder to spot than others. Here’s what you need to know to catch a glimpse.

Through a public art project, six local artists are showcasing the Texas Hill Country on 3D star sculptures on Mercer Street.