Scientists have announced that a dim star in a constellation easily visible after dark from the Northern Hemisphere may be on the verge of exploding. The binary star system, called T Corona Borealis ...

I love simple questions that wind up having complicated—or at least not straightforward—answers. Astronomers twist themselves into knots, for example, trying to define what a planet is, even though it ...

The most distant star ever discovered may have been misclassified: Instead of being a single star, the object — nicknamed Earendel from the Old English word for "morning star" — may be a star cluster, ...

Another special cosmic event is to occur this year, and it could be a "once-in-a-lifetime viewing opportunity," according to NASA. It’s a nova explosion located in a star system 3,000 light years away ...

In March 2022, the Hubble Space Telescope peered through the distant cosmos and detected the light of an apparent star located 12.9 billion light-years away. Astronomers named it Earendel, meaning ...