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

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

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

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers have detected a new exoplanet ...

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

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

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

JWST found a carbon-atmosphere planet orbiting a pulsar, challenging current models of how planets form. Scientific progress ...