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

A faint radio glow reveals a million-light-year halo enveloping one of the earliest galaxy clusters, hinting that energetic ...

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 ...

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

Is the Hubble constant—a key part of how we measure the expansion of our universe—in a crisis? Some cosmologists say yes.

The Cosmic Microwave Background, also known as the earliest light of the universe, was captured through SPT-3G in the South Pole Telescope.