An international research team led by scientists at Waseda University and Tohoku University has discovered an extraordinary quasar in the early universe that hosts one of the fastest-growing ...

APM 08279-5255 is a massive black hole (quasar) that contains about 140 trillion times the amount in all of Earth’s oceans ...

A team of astronomers has discovered the largest and most distant water reservoir ever detected in the universe, surrounding a quasar more than 12 billion light-years away. The finding pushes the ...

Observations of a distant quasar reveal that supermassive black holes may suppress star formation across intergalactic distances.