Euclid discovers the most ancient quasars in the universe

The European Space Agency's Euclid space telescope has discovered 31 of the most ancient quasars ever found.

Two of these giant and dazzling galaxy cores, powered by gargantuan black holes, are the earliest quasars yet observed in cosmic history.

They shone with the light of a trillion suns when the universe was 670 million years old—just 5% of its current age. ...