The weird outbursts of a distant supermassive black hole may be caused by a death-defying white dwarf walking a cosmic tight rope around it.

Yale astronomer Pieter van Dokkum and a team of researchers have discovered an object in space they call the "Infinity" galaxy—two recently-collided galaxies that, together, look like the symbol for infinity.

Astronomers Spot Perplexing Sideways Black Hole; The second alternative is that 1ES’s corona is contracting, creating an oscillating pattern.

The 1.4-million-solar-mass black hole at the center of the galaxy 1ES 1927+654 some 270 ... Then, astronomers watched as the so-called X-ray corona of high-energy particles close in to the black ...

Astronomers in China made a surprising discovery: a massive black hole in our galaxy. Called LB-1, this one is about 70 times the mass of the sun. It's the first time a black hole of this size has ...

For decades, the supermassive black hole anchoring a galaxy known as SDSS1335+0728 in the Virgo constellation hasn’t displayed much activity. But beginning in late 2019, ...

Black holes have been fascinating subjects of study, not just because they are cosmic vacuum cleaners, but also as engines of immense power capable of extracting and redistributing energy on a staggering scale.