A double explosion, in which a dying star split, then recombined, may be a long-hypothesized but never-before-seen "superkilonova." ...
Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a gravitational wave signal detected on Aug. 18, 2025.
The record-setting cosmic outburst was actually a gamma-ray burst, the most powerful class of cosmic explosions.
"The sheer amount of radiated energy from these bursts is so large that you can't power them with a core collapse 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 ...
(CNN) — For the first time, astronomers say they have spotted a giant explosion released by a star beyond our solar system. The eruption was similar in some ways to those unleashed by our sun, such as ...
PTF14hls is a star that refuses to follow the rules. Discovered in September 2014, it was supposed to be a typical supernova ...
Astronomers used major telescopes across the world to probe a cosmic explosion 8 billion light-years from the solar system.