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

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

NASA has paused operations of the Neutron Star Interior Composition Explorer (NICER) aboard the International Space Station ...

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

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

A new study suggests the Milky Way’s gamma-ray glow could be a dark matter signal shaped by ancient galactic mergers.

Unraveling the mysteries of how the world might end is fascinating and terrifying. It's a topic that sparks our imagination, ...

Interstellar visitor 3I/ATLAS is passing Earth. Scientists have studied using nuclear explosions to deflect comets. The goal ...

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

Using NASA's planet-hunting spacecraft TESS (Transiting Exoplanet Survey Satellite), astronomers have discovered three ...

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is hiding it from Earth ...

In this evening's southeastern sky, you'll see a bright waxing gibbous moon to the upper right of Saturn. Both of them are at the western edge of Pisces but the ...