Twinkle, twinkle, little star, How I wonder what you are! Up above the world so high, Like a diamond in the sky. Some people probably believe that the twinkling effect is produced by the stars ...

Astronomers have spotted another never-before-seen "nova" blaze to life in the night sky. This may be the first time that ...

In the southern sky after dusk on Monday, July 7, the prominent reddish star Antares will be twinkling several finger widths to the right of the bright, waxing gibbous moon.

A dramatic cosmic event, a rare dwarf nova that suddenly brightened by a factor of 2,500, has been discovered with the help ...

When you look up at the night sky, ... Here, we’ll delve into exciting details about why stars twinkle and planets do not. Read on and find out for yourself.

Sirius is white, and it’s the brightest star in the night sky; when rising or setting, it can flash brilliantly and change colors rapidly. This is probably why it’s often reported as a UFO!

The first dazzling images have been released from the National Science Foundation and Department of Energy’s Vera C. Rubin ...

Stars twinkle because of our atmosphere—and these shimmering beauties are an even brighter treat in the heart of ... This mini backyard observatory helps capture stunning night sky photography.

Non-twinklers. Incidentally, one way that you can tell the difference between a star and a planet in the night sky is that planets do not appear to twinkle, or at least not very much.

A dark sky is a sight to behold. We’re gazing millions of years into the past at beams of light that travelled untold distances to twinkle in our eyes at that precise moment. But why do the stars ...