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

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

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 ...

The universe is a strange place. The X-ray Imaging and Spectroscopy Mission (XRISM) orbiting observatory recently highlighted ...

Neutron stars are some of the weirdest cosmic objects, and the greatest mysteries lie deep in their hearts. Neutron stars' surface gravities are so intense that the largest "mountains" are only a few ...

The federal government has been—and must remain—a critical partner in foundational technological innovation and research ...

A couple months back, astronomers officially confirmed the existence of “Betelbuddy,” Betelgeuse’s long-suspected companion ...

Using NASA's Swift spacecraft, an international team of astronomers have performed X-ray observations of a classical nova ...