A star called T Corona Borealis may "go nova" next week, making the star briefly visible to the naked eye. It last happened ...
A red giant star and white dwarf orbit each other in this animation of a nova similar to T Coronae Borealis. Image via ...
A faint star in a constellation visible from the Northern Hemisphere after dark may explode on Thursday in what's going to be ...
T Coronae Borealis (T CrB), a binary star system, will have a rare nova explosion visible to the naked eye for the first time ...
T Coronae Borealis, a star in the Northern Crown constellation, is about to explode in a nova. This happens once every 80 ...
Located some 1,400 light years away, GK Persei (also known as A 0327+43 or Nova Persei 1901) is a cataclysmic variable consisting of a magnetized white dwarf (WD) and a K2-type subgiant star with ...
By intense observation of a certain class of variable star, the cepheids, Leavitt discovered a direct correlation between the time it took a star to go from bright to dim to how bright it actually ...
A new polar cataclysmic variable, ZTF J0112+5827, has been identified with an orbital period of approximately 81 minutes. This system, lacking an accretion disk, features a white dwarf with a ...
Hubble had already used this knowledge in his 1924 discovery that the Andromeda nebula, containing a variable star, was more than 900,000 light years from Earth -- way beyond our own galaxy -- a ...
Since March 2023, the Blaze Star has displayed a pre-eruption dip in brightness, typically a sign that an outburst is imminent, according to the American Association of Variable Star Observers.