Observing the Universe often means contemplating phenomena that occurred millions of years ago. But sometimes, the ...

The record-setting cosmic outburst was actually a gamma-ray burst, the most powerful class of cosmic explosions.

“The fact that we can now watch stars explode and immediately see the structure of the material being blasted into space is ...

Astronomers have captured images of two stellar explosions—known as novae—within days of their eruption and in unprecedented ...

Astronomers have obtained unprecedented images of two star explosions, revealing complex ejection processes and delayed ...

Astronomers mapped supernova SN 2024ggi for the first time, revealing an elongated shockwave, challenging old stellar ...

What can an exploding star in a distant galaxy teach scientists about red supergiants? This is what a recent study published in The Astrophysical Journal Letters hopes to address as a team of ...

The supernova was the death of a red supergiant star 500 times larger than the sun, in a galaxy just 22 million light-years away. Scientists have captured the moment the shockwave of a supernova ...

"The speed at which this doomed stellar system is lurching wildly, likely due to the extreme brightness, is a frantic sign of its imminent, violent end." Betelgeuse may have competition for the most ...