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 ...

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

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.

New black hole research from the Flatiron Institute rethinks their formation under the influence of magnetic fields.

New observations suggest that the relationship between light emitted by quasars has changed over cosmic time, hinting that ...

Astronomers used major telescopes across the world to probe a cosmic explosion 8 billion light-years from the solar system.

NASA's Roman Space Telescope will soon map our Milky Way galaxy in infrared. This mission will reveal billions of stars and hidden galactic structures ...