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 ...

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 ...

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 ...

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, ...