As the collapsed core of a massive star, a neutron star is a small but incredibly dense object, packing up to three times the ...

Neutron stars, these cosmic remnants resulting from the catastrophic explosion of massive stars, represent one of the most ...

Intense gravitational lensing means you’d be able to see much more of a neutron star standing on its surface than you would ...

Neutron stars pack extreme mass into tiny volumes. Scientists explore how compact they can become before collapsing into ...

Creating a neutron star Before you can get this ideal cosmic laboratory, a star first has to die. The end of a star’s life depends largely on its mass. Unremarkable stars like the Sun go out with a ...

See a pair of superheavy neutron stars collide in this simulation with gravitational wave audio. "An audible tone and a ...

V Sagittae’s violent mass transfer hints at an imminent nova—and a future supernova visible from Earth. Binary star systems are fairly common in the universe, as are pairs where one star is a compact ...

In the 1960s, the United States, the United Kingdom, and the Soviet Union signed a treaty banning nuclear weapons tests ...

NASA's NICER telescope halts its mission after a key motor fails; engineers attempt to salvage eight years of space science.