This fan-favorite double star at the head of Cygnus the swan shows off stunning contrasting colors through a telescope.

Uranus will also be on show, if you fancy a more challenging target. Early risers are in for a celestial treat on July 5, ...

Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...

At dusk on a late October night in 1408, something mysterious lit up the skies above China. Ming Dynasty astronomers who ...

Venus continues to be the “Morning Star” in the east before dawn, albeit it has become dimmer — but still bright — as it ...

Mercury reaches its greatest elongation, 26 degrees east of the sun on July 4. From latitude 40 degrees north, the +0.6-magnitude planet is low in the west-northwest and sets during twilight about 1.5 ...

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

Exploding stars V462 Lupi and V572 Velorum are best seen from the Southern Hemisphere. One has been spotted from the United States.

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

These are the first public images collected by the Chile-based observatory, which will begin a decade-long survey of the southern sky later this year.