"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 ...

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 ...

Neutron stars are ultra-dense remnants of massive stars that collapsed after supernova explosions and are made up mostly of subatomic particles with no electric charge (i.e., neutrons). When two ...

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 kilonova describes the ...

The James Webb Space Telescope is the most powerful instrument scientists have at their disposal to observe the cosmos. Webb has proven this time and time again during its short time in operation.

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 ...

Scientists have confirmed what became of a star that exploded in a stunning supernova visible to Earth more than three decades ago: It morphed into a neutron star, one of the oddest objects in the ...

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 ...

"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 ...