Hints of the very first stars to light the Universe might be discovered in a faint radio signal feebly beaming from the dawn of time. The cosmological 21-centimeter signal emitted by the neutral ...

Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of ...

New simulations reproduce high-redshift galaxies seen by JWST and propose a radical cosmological shift beyond ΛCDM. To simulate the universe with ...

A newly discovered radio halo, 10 billion light-years away, reveals that galaxy clusters in the early universe were already steeped in high-energy particles. The finding hints at ancient black hole ...

A cloud of high-energy particles surrounding a distant galaxy cluster offers a rare glimpse into the forces shaping the early ...

Did The universe really begin with a bang, a bounce? The theory that the universe is both possibly having endured a sudden ...

For years, scientists have worked to chart the universe’s massive structure, aiming to test key models of cosmology. These ...

The earliest light in the universe has been traveling across space since just after the Big Bang. Known as the cosmic ...