Scientists using three telescopes spaced thousands of miles apart have caught the best look ever of the center of a distant quasar, an ultra-bright galaxy with a giant black hole at its core. By ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have captured the first radio image of two supermassive black holes in orbit, confirming a 40-year-old prediction.

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Astronomers studying a quasar roughly 10 billion light-years from Earth have documented one of the most extreme dimming ...

A supermassive black hole from the early universe is growing at an extremely fast rate and is defying the rules of science. This quasar, which dates back 12 billion years, was observed with the Subaru ...

A team led by University of Arizona astronomers has discovered the most distant quasar ever found, and they believe it was fully formed 670 million years ago after the big bang. Credit: Illustration ...

Quasars were a mystery when first discovered in the early 1960s. They are extremely distant, starlike objects that emit enormous amounts of energy. Years later, astronomers understood that quasars are ...

“The quasar OJ 287 is so bright that it can be detected with a modest telescope,” said Mauri Valtonen of the University of Turku in Finland, who led the research. “What makes it special is that we’ve ...