Cosmic Shock: Euclid Finds 31 Ancient Beacons

Euclid has pushed the early-universe quasar race into a tiny sliver of cosmic time, and the new count is larger than many expected.

Quick Take

Euclid found 31 of the most ancient quasars ever observed, including two dating to 670 million years after the Big Bang.
The new pair is described as the earliest quasar discovery yet, and the full haul more than doubles the known population of such ancient objects.
The finding matters because quasars reveal how supermassive black holes grew when the universe was still young and dark.
The core result now rests on a strong public release, but the fine print still matters for how “oldest ever” gets framed.

Euclid’s New Cosmic Ledger

The European Space Agency says its Euclid space telescope has discovered 31 of the most ancient quasars ever found, with two shining when the universe was only 670 million years old.

University of California, Santa Barbara says those two objects set a new record for the earliest quasars ever observed and more than double the number of quasars known from that era.

That is the real headline for readers who care about how astronomy advances. Euclid is not just finding another distant dot in the sky. It is filling in a part of cosmic history that has been nearly empty, one bright clue at a time.

The result also gives astronomers a much larger sample to study, which is often how a field breaks out of a one-off discovery and begins to build real knowledge.

Why These Objects Matter

Quasars are blazing centers of galaxies powered by supermassive black holes swallowing matter at high speed. They shine so brightly that they can outshine entire galaxies, making them useful probes of the infant universe.

When astronomers find quasars this early, they are not just making a list of record holders. They are asking how black holes grew so fast, and how the first large structures took shape so quickly after the Big Bang.

Oldest quasars ever discovered add to ‘perplexing’ space mystery https://t.co/VYhp4rPZac

— The Straits Times (@straits_times) July 6, 2026

That is why the 670 million-year mark matters. At that age, the universe was only about 5 percent of its current age, and ordinary galaxy formation was still in its roughest stage.

The two most ancient Euclid quasars also have redshifts of 7.69 and 7.77, placing them among the earliest known examples in cosmic history. Those numbers matter because they anchor the claim in measurable astronomy, not just in dramatic language.

What Makes This Claim Strong

The strongest part of the story is not hype. It is the size of the find. Euclid’s early quasar haul gives researchers 31 ancient quasars to work with, compared with far fewer before, and that larger sample should help test ideas about the birth of supermassive black holes.

The record-setting pair also appears in multiple public reports, including European Space Agency material and news coverage based on the new study.

The Euclid space telescope has spotted the oldest quasars ever discovered — from when the universe was just 670 million years old, only 5% of its current age .

Quasars are powered by supermassive black holes, shining trillions of times brighter than the Sun. The discovery beats… pic.twitter.com/X8vAeZa25n

— Hype Pakistan (@HypePakistan) July 6, 2026

Still, one careful distinction matters. Earlier record holders such as J0313-1806 were already known to come from roughly the same cosmic age, about 670 million years after the Big Bang.

So the most precise way to read Euclid’s achievement is as a bigger and better-defined window into that era, not as proof that the universe suddenly offered a much older quasar than before. That is a smaller phrase, but a stronger one.

Why the Fine Print Still Counts

That distinction is not a weakness. It is how serious science should work. A discovery can be significant because it broadens the sample, sharpens the measurements, and confirms that a rare object is not a one-off fluke.

Euclid’s result does all three. The telescope has turned a lonely corner of the early universe into a real population, and that shift can matter as much as a new record in age.

The remaining question is what follow-up work will confirm. Astronomers will still want the same kind of clean spectroscopic checks that locked in earlier breakthroughs.

If later study keeps the redshifts intact, Euclid’s quasars will stand as one of the clearest views yet of the universe’s first bright giants. If not, the discovery will still be valuable, because it has already pointed the field toward a richer map of the dawn era.