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 ...

When most people think of a supernova, they're thinking of a Type II core-collapse supernova. These are massive stars that have reached the end of their time on the main sequence. They've used up ...

For the first time, scientists have witnessed the inner workings of a dying star as it exploded, offering an unprecedented glimpse into the intricate process of stellar evolution. While cosmic ...

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 ...

Astronomers have for the first time seen the birth of a magnetar—a highly magnetized, spinning neutron star—and confirmed that it's the power source behind some of the brightest exploding stars in the ...

One of the largest known stars in the cosmos is poised for catastrophe. After witnessing the massive object undergo a dramatic transformation, a team of astronomers say the star is on the verge of ...