A type Ia supernova occurs when a white dwarf draws hydrogen from a companion. But Sirius A and B are too widely separated ...

While sifting out signatures of supernova remnants, a high-schooler stumbled upon the afterglow of a dormant black hole. It ...

confirms that the exploding star, though no longer visible, was not part of a galaxy, but was instead a solitary intracluster supernova.

There are a lot of ways for dead stars to blow their tops ... That's because, for three decades, these exploding stellar remnants have been integral to the measurement of cosmic distances.

The universe is ballooning outward at an ever-faster clip under the power of an unknown force dubbed dark energy. One of the major goals for NASA's upcoming Nancy Grace Roman Space Telescope is to ...

A new study reveals that supernova explosions may have caused ... events were caused by something even more dramatic—exploding stars? However, a new study, now, suggests that at least two ...

Five 'mass extinctions' have decimated our planet since it was formed - now scientists claim the answers to two could be ...

After the supernova the remaining core of the star may collapse further. Some become neutron stars while very massive ones become black holes. An exploding supernova throws hot gas into space.

Astronomers call these cosmic ghosts "light echoes" — and that's what high-school junior Julian Shapiro found while scanning the cosmos for supernova remnants. "There are these outer regions of ...

Exploding white dwarfs observed ... processes involve the binary partners of these dead stars. An illustration shows a white dwarf stellar remnant in a binary system with a sun-like star.