"The best-case scenario for axions is Fermi catches a supernova. It's just that the chance of that is small." When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

A superkilonova candidate event, named AT2025ulz, was observed in 2025; LIGO and Virgo first spotted gravitational waves, ...

Astronomers have spotted AT2025ulz, a rare dual explosion — a supernova and a kilonova — that may be the first-ever observed ...

"Most of the external layers of a massive star are removed during the supernova, but some material falls back, making the neutron star spin faster." When you purchase through links on our site, we may ...

A massive star may have burst, leaving behind two dense, dead cores, which then collided and caused another explosion ...

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.

A team of astronomers believe they’ve witnessed a star split in half before merging back together again, triggering an ...

Neutron stars explained through stellar remnants and collapsed stars, revealing extreme density, gravity, magnetism, and ...

The cosmos has delivered a rare kind of fireworks display, and astronomers are racing to understand what it means. A strange double flash from a distant galaxy appears to show two neutron stars ...

A long observation with NASA’s Chandra X-ray Observatory revealed important new details of a neutron star that is spewing out a wake of high-energy particles as it races through space. The deduced ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of a neutron star sat at the heart of supernova wreckage blasting out gamma rays ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration shows a neutron star surrounded by green magnetic field lines in the fiery shell ...