Scientists flew the XL-Calibur telescope on a high-altitude balloon to measure polarized X-rays from Cygnus X-1. These ...

Researchers using the NASA/ESA/CSA James Webb Space Telescope have confirmed an actively growing supermassive black hole ...

The Hubble Space Telescope has imaged a "200,000 light-year-long trail of newborn stars" that may have been left behind by a ...

The Hubble Space Telescope's evidence of an "intermediate-sized" black hole about 6000 light-years away in the closest ...

A colossal star met an unexpected fate when it drifted too close to a supermassive black hole 10 billion light-years away.

The black hole was bigger than expected, and while the answer was hiding in plain sight, it still rewrites what we thought ...

An international collaboration of physicists including researchers at Washington University in St. Louis has made measurements to better understand how matter falls into black holes and how enormous ...

The JWST's MIRI detected a flare in Sagittarius A*, revealing for the first time in mid-infrared how an explosion occurs near ...

Fresh observations of two merging black holes confirm predictions made by Stephen Hawking based on Albert Einstein’s theory. A decade after the first detection of gravitational waves from two merging ...

The trip took place in July 2024 and took 6 days. Over that time, the flying observatory looked at two main sources: the Crab ...