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

A small star named M82 X-2 breaks physical barriers, as NASA's NuSTAR confirms it shines 10 million times brighter than the ...

This old galaxy is having a blast.

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of the pulsar system PSR J1023+0038 showing the central pulsar and an accretion ...

NASA’s Roman Space Telescope will map the Milky Way using infrared observations, studying star formation, stellar evolution, star clusters, and hidden galactic structures over a two-year survey.

Neutron stars are ultra-dense star remnants made up primarily of nucleons (i.e., protons and neutrons). Over the course of ...

Artist’s impression of the powerful winds blowing from the bright X-ray source GX13+1. The X-rays are coming from a disc of hot matter, known as an accretion disc, that is gradually spiralling down to ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the NumbersAt the ...

For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using ...

NASA's NICER X-ray telescope is pausing operations just weeks after the US space agency boasted that a January repair and reconfiguration had improved its daytime measurements.… The agency pressed ...