In these simulations, the researchers began with a massive primordial black hole seed of about 50 million times the Sun’s ...

Astronomers spotted nine galaxies with characteristics that have never been seen as a collection before. It's possible this ...

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about ...

“If even a few of these objects turn out to be what we think they are, our discovery could challenge current ideas about how galaxies formed in the early universe,” said Haojing Yan, a University of ...

Astronomers have long puzzled over how some massive galaxies stop forming stars and remain dormant for billions of years—even ...

WASHINGTON — For the first time ever, astronomers have confirmed the existence of a "failed galaxy," a massive, starless ...

Mizzou scientists using NASA’s James Webb Space Telescope found unusual "platypus galaxies" that could change what we know ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...

Astronomers may have uncovered the origins of the mysterious “little red dots,” some of the strangest galaxies seen in the early universe. These tiny but brilliant objects, discovered by the James ...

Webb reveals a bridge of stars linking two nearby dwarf galaxies, offering a look at how gravity reshapes galaxies and sparks ...

MeerKAT radio telescope discovers 49 hidden galaxies in less than three hours, revealing how much of the nearby universe ...