constellations

A new image of M7 shows stars shining like diamonds in the tail of Scorpius. The star cluster is about 200 million years old and a part of its population are expected to explode as supernovas.

The blinking star Algol is actually a pair of eclipsing stars.

The winter night sky offers a chance to view underappreciated constellations.

Stargazers can catch the constellations of Cassiopeia, Cepheus and Andromeda overhead this week.

Look up to see celestial wonders this week.

The night sky's autumn constellations follow the summer stars so closely they can be seen well before the air gets chilly.

Delphinus the dolphin and Cetus the whale are on view now.

How do we know our galaxy is a spiral when we live inside it?

Tips on how to see the constellation of Hercules in the night sky.

The constellation Virgo and its bright star Spica cover much of the southern night sky this week.