The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about ...
An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic ...
New telescope instruments now reveal distant galaxies in detail, reshaping how astronomers map dark matter, star formation, ...
Astronomers found a young galaxy cluster with unexpectedly hot gas, suggesting cosmic structures formed faster than once ...
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.