A double explosion, in which a dying star split, then recombined, may be a long-hypothesized but never-before-seen "superkilonova." ...

"The sheer amount of radiated energy from these bursts is so large that you can't power them with a core collapse stellar ...

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.

Astronomers used major telescopes across the world to probe a cosmic explosion 8 billion light-years from the solar system.

Astronomers tracked a gamma-ray burst lasting over 7 hours, unseen in visible light, from a dusty galaxy 8 billion light-years away, challenging existing models and raising new questions for science.

The John N. Bahcall Lecture Series Presenter: Robert Kirshner, Clowes Professor of Science, Harvard University Exploding stars halfway across the universe show that the expansion of the universe is ...

Learn about what may be the first ever superkilonova ever observed, emitting gravitational waves that hint at the collision ...

What can imaging supernovae (plural for supernova) explosions teach astronomers about their behavior and physical characteristics? This is what a recent study published in Nature Astronomy hopes to ...

Engineers intentionally blew up a full-scale prototype of an inflatable space module that could be used in future missions. Watch the big bang unfold here. When you purchase through links on our site, ...

Stuck on a slow bus in Sofia, Bulgaria, Svetoslav Alexandrov passed the time using a mobile app to compare before-and-after images taken of space. The game, part of a citizen science project, was to ...

Researchers are studying a rare double star explosion that could change how we understand space events. Astronomers may have seen a space event that has never been clearly confirmed before. It is ...