Astronomers and historians pinpoint the source of a 15th-century classical nova. It’s currently regathering strength.
Mind your elders the next clear night and pay a visit to some of Spring's biggest and most ancient planetary nebulae.
Take a trip down the rabbit hole to the weird and weighty world of planet-sized white dwarf stars.
Get acquainted with SS Cygni, the sky's brightest cataclysmic variable star. It's guaranteed to keep you on your toes.
Thermonuclear power sets off a type of stellar explosion known as a classical nova. Now, new research explains the mechanisms that cause these blasts to light up.
A peculiar white dwarf could be what’s left after a failed supernova explosion.