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

NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy ...

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

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

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

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

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

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

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

ESA's Gaia mission, the Very Large Telescope and other ground-based telescopes have discovered stellar black hole Gaia BH3.