Image of the supermassive black hole Sagittarius A* (Sgr A*). from the Event Horizon Telescope (EHT) collaboration "has ...

Smaller black holes tend to attract less material, making them naturally dimmer. Chandra would miss many of these faint ...

Omega Centauri dominates the southern sky as the Milky Way's largest and brightest globular cluster, a dense sphere ...

What could force a supermassive black hole (SMBH) out of its host galaxy? They can have hundreds of millions, even billions ...

New NASA-backed research using the Chandra X-ray Observatory suggests many small galaxies may lack supermassive black holes, ...

Astronomers usually detect black holes by looking for X-rays. When gas and dust fall toward a black hole, they heat up and ...

A new study, appearing in The Astrophysical Journal and based on observations from NASA's Chandra X-ray Observatory, ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

A sudden X-ray flare from a supermassive black hole in galaxy NGC 3783 sparks ultra-fast winds, offering new clues about ...

A mysterious excess of far-ultraviolet light seen across the Milky Way could come from the annihilation of clumpy dark matter ...