Astronomers were puzzled by a black hole around 50 million times the mass of the sun with no stars, spotted by the James Webb ...

When astronomers look deep into the early universe, the expectation is simple. You should see young galaxies still assembling ...

New data from the James Webb Space Telescope (JWST) suggests that our Universe might be hidden deep inside a massive Black ...

Astronomers found a young galaxy cluster with unexpectedly hot gas, suggesting cosmic structures formed faster than once ...

Astronomers have uncovered a gargantuan black hole that appears to sit almost alone in space, with hardly any stars around it ...

A galaxy cluster in the early universe is 10 times hotter than it ought to be, which may reshape how we think these enormous ...

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 ...

"You think that these things should not exist together, but there it is right in front of you, and it’s undeniable," ...

Black holes are among the most extreme objects in the universe, and now scientists can model them more accurately than ever before. By combining Einstein’s gravity with realistic behavior of light and ...

Scientists uncover the universe’s most massive object, glowing yellow, blue, and pink at 100 million °C, while a true inferno ...

Astronomers describe the discovery of the largest-known stream of super-heated gas in the universe ejecting from a nearby ...