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

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

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

The Buck Moon rises on July 10. The full moon of July, also called the Buck Moon, will rise on July 10.

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

Auroras may be visible from Alaska to New York as an incoming solar storm could spark geomagnetic storm conditions overnight.

A new observatory in Chile has produced a stunningly detailed image of a nebula resembling cotton candy, using the largest ...