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

New animations released by NASA are recasting a groundbreaking astronomical moment in a whole new light. On February 24, 1987, astronomers Oscar Dhalde and Ian Shelton witnessed an incredible sight ...

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 ...

A Northwestern University-led team of astronomers has captured the most detailed glimpse yet of a doomed star before it exploded. Using NASA's James Webb Space Telescope (JWST), the international team ...

NASA plans to launch a mini satellite into Earth's orbit that could revolutionize astronomy as we know it.

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

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.