A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...

About 10,000 light-years away in the constellation Sagitta, a white dwarf is hungrily gobbling up matter from a nearby companion star. The volatile relationship results in incredible fusion-driven ...

Astronomers have discovered the first radio signals from a unique category of dying stars, called Type Ibn supernovae, and ...

In the nearby Andromeda Galaxy, a massive star bright enough to stand out for years has gone dark. Not in a blaze of glory.

A research team led by Caltech may have just discovered the first-ever superkilonova, a cosmic phenomenon in which a star explodes twice in violently different ways. Their analysis of a series of ...

In 2014, a NASA telescope observed that the infrared light emitted by a massive star in the Andromeda galaxy gradually grew brighter. The star glowed more intensely with infrared light for around ...

Astronomers tracked a star in Andromeda as it dimmed and vanished without the usual fiery explosion, offering rare clues to ...