Satellites, including NASA’s Fermi and Swift telescopes, along with instruments on other spacecraft, spotted the explosion on ...

The bright binary star system V Sagittae will flare up multiple times before finally going supernova within the next 100 ...

Astronomers have spotted the longest gamma-ray burst ever seen, a cosmic explosion that lasted seven hours — and they ...

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

Astrophysicists have achieved an eye-opening leap in understanding stellar death, capturing unprecedented, detailed images of ...

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

XRISM’s high-precision X-ray data revealed unusually strong signatures of chlorine and potassium inside the Cassiopeia A supernova remnant. These levels are far higher than theoretical models ...

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 ...