T his time last year, astrophiles were gearing up for a "once-in-a-lifetime" spectacle—only it never happened. The celestial ...

Skygazers have been waiting for over a year to see a recurrent nova that creates a temporary, super-bright star every 80 years or so. A new study suggests that it could finally happen this week — but ...

A man who saw a large glowing spiral in the night sky on Monday, believed to have been caused by a SpaceX rocket launch, has ...

When it does take place, the outburst will be brief but it will appear as a new star in the sky for a little less than a week ...

A star called T Corona Borealis may "go nova" next week, making the star briefly visible to the naked eye. It last happened ...

T Coronae Borealis (T CrB), popularly known as the "Blaze Star," is surely on the verge of a rare and dramatic brightening.

I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

This image features a deep field view of the Cassiopeia constellation immersed in the glow of ionized hydrogen gas, where the ...

The total lunar eclipse will start late on the night of March 13 and will end in the early hours of March 14, according to NASA. An eclipse like this happens when the Moon, Earth and Sun all align so ...

The Pleiades, Ptolemy's Cluster, the Large Magellanic Cloud — here's how to center the sky's brightest deep-sky wonders in ...

You can tell spring has officially begun in the Northern Hemisphere just by looking at the stars. Here's how to easily spot ...