T Coronae Borealis, a binary star system located 3,000 light-years away from Earth, may be visible to the naked eye this week. This phenomenon last happened in 1946 and won't occur again for about ...

WASHINGTON (Reuters) -Astronomers have observed the calamitous result of a star that picked the wrong dance partner. They have documented what appears to be a new type of supernova, as stellar ...