Arizona researchers and telescope help find oldest quasar on record

Telescope spots most distant quasars ever discovered

Oldest Quasars Ever Discovered Add to ‘Perplexing’ Space Mystery

Euclid discovers the most ancient quasars in the universe

Euclid discovers the most ancient quasars in the universe

ESA's Euclid Telescope Spots The Oldest Quasars Yet Since Big Bang

First Image Captured of Two Black Holes Orbiting Each Other in Distant Quasar

Scientists have captured the first confirmed image of two black holes orbiting each other in quasar OJ287, located five billion light-years

MIT astronomers detect earliest known flickering quasar from cosmic dawn era

MIT astronomers have detected the earliest known flickering quasar, located 850 million years after the Big Bang during the cosmic dawn. Thi