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

This stunning image features a deep field view of the Cassiopeia constellation where the two small planetary nebulas can be ...

A celestial dance between two stars around 3,000 light years away will result in an outburst so bright it could be seen ... give it the appearance of a new star shining brightly in the night ...

From Manchester, the close approach will become visible at around 8.37pm (BST) about 30 degrees above the western horizon, ...

Flying at night obscures star visibility due to cabin lights and ground light pollution. Bright interior lighting creates a ...

Jean Schneider of the Paris Observatory predicts that T Coronae Borealis will explode between 2025 and 2027. Potential dates ...

Located 45 million light-years from Earth ... exhibits a bright central bar of stars encircled by loosely wound, swirling arms blazing with star clusters and interstellar gas.