The X-Ray Imaging and Spectroscopy Mission (XRISM) has revealed an unexpected difference between the powerful winds launching ...

The data from the NASA and ESA's XRISM has discovered unexpected disparities between two different types of cosmic winds.

On February 25, 2024, XRISM used its Resolve instrument to observe the neutron star GX13+1, which is the core of a once larger star that has burned out. GX13+1 is a bright X-ray source. These X-rays ...

Delve into the enigmatic realm of neutron stars—stellar remnants that defy our conventional understanding. Once blazing stars ...

XRISM found dense winds from a neutron star disc differ from those around black holes, challenging ideas on how such winds form and shape their environment.

New X-ray data from NASA’s Chandra telescope reveals Cassiopeia A’s chaotic final hours, showing how dying stars collapse and explode.

The first-ever detection of gravitational waves was made 10 years ago today (Sept. 14). In celebration, Space.com takes you ...

Astronomers have doubled the number of black hole and neutron star mergers detected via gravitational waves in a "stellar ...

Gravity from mountains on rapidly rotating neutron stars produces ripples in space-time known as gravitational waves. The Laser Interferometer Gravitational Wave Observatory (LIGO) searches for such ...

The most luminous kilonova candidate to date (short gamma-ray burst 200522A) was detected using the Hubble Space Telescope, ...