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

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 ...

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

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 ...

The distant planet Neptune stands still against the background stars of Pisces in the early-morning sky, still visible close ...

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

Less than two weeks later, on June 25, reports began to circulate of a second nova blossoming in the southern night sky, this ...

In an extraordinary celestial coincidence, two "new stars" —scientifically known as novae —are currently visible to the naked ...

Welcome to the Tuesday Telescope. There is a little too much darkness in this world and not enough light—a little too much ...