Observations of ultra-massive galaxies, each containing more than 100 billion stars, show that less than 2 billion years ...

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 ...

New telescope instruments now reveal distant galaxies in detail, reshaping how astronomers map dark matter, star formation, ...

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

Look up at the sky on a clear night, and you’ll see thousands of stars – about 6,000 or so. But that’s only a tiny fraction of all the stars out there. The rest are too far away for us to see them.

Using data from the James Webb Space Telescope, astronomers have identified a population of “platypus galaxies” that defy ...