Astronomers observed the fading light of supernova SN 2025kg, which followed the fast X-ray transient (FXT) named EP 250108a.

An investigation of a cosmic explosion that marked the violent death of a massive star has called into question our ...

Astronomers have captured the first-ever image of a white dwarf star undergoing a rare double-detonation supernova. Using the Very Large Telescope, the team revealed that such explosions can occur ...

The explosion likely occurred within a dense shell of matter shed by a companion star. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. One of the ...

Stars are born, live and die in spectacular ways, with their deaths marked by one of the biggest known explosions in the ...

The cataclysmic event sent sent particles of gas and dust shooting into space at speeds up to 100 million kilometers per second. The explosion also was annotated by something quite unexpected: Instead ...

The supernova was likely to be a red supergiant It was hidden behind Abell 370 galaxy cluster The first image was taken just six hours after the explosion Space enthusiasts have been fascinated by ...

In November 1572, a brilliant new star appeared in the constellation Cassiopeia, shining so brightly that it was visible during the day. Danish astronomer Tycho Brahe carefully documented this ...

A massive supernova explosion that destroyed a faraway star apparently turned the left over stellar corpse inside out as well, scientists say. Using NASA's Chandra X-ray Observatory spacecraft, a team ...

When the two stars eventually smash into each other, the supernova explosion would be visible from Earth, even during daytime.

A supernova explosion first seen from Earth 436 years ago has come back to life for astronomers in a time-travel-like astronomical twist. By observing light from supernova SN 1572 that was slowed on ...