The Big Bang model begins with a point of infinite density where the laws of physics break down. This is a deep theoretical problem that suggests the beginning of the Universe is not fully understood, ...

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

However, although photons of light existed since the first second after the Big Bang, they could not yet shine across the ...

The Big Bang may mark an end—not the start—of a previous universe's aeon. Penrose's theory sees the universe as an eternal ...

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

The LSST camera at the Vera C. Rubin Observatory has released its jaw-dropping first images, each capturing 45 times the area ...

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

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

Scientists are peering into the universe's mysterious Cosmic Dawn using the faint whispers of hydrogen radio waves emitted ...

An international group of astronomers led by the University of Cambridge have shown that we will be able to learn about the masses of the earliest stars by studying a specific radio signal – created ...

Although they know what baryonic matter is, astronomers have a poor understanding of where much of it is distributed in the universe. Combining the Standard Model of cosmology with the rigid ...

The concept of a rotating universe may hold the key to understanding dark energy and our position within the multiverse.