"This shocking result means that we now need to revisit the very foundations of everything we know about cosmology," said the ...

A never-before-seen image of the cosmic microwave background, combining data from the Atacama Cosmology Telescope (ACT) and the Planck satellite, offers a high-definition view of the early Universe.

Elliptical galaxies are some of the oldest types of galaxies in the universe. They formed relatively quickly after the Big ...

Repulsive gravity at the quantum scale would have flattened out inhomogeneities in the early universe First light: The cosmic ...

Ralf Klessen investigates the physical processes that governed the formation of the first generation of stars in the early ...

Mysterious dark matter makes up 85 percent of matter in the universe, and of the remaining 15 percent, scientists couldn’t ...

The universe began with a bang—an explosion so intense, it forged the fabric of space and time itself. This pivotal moment, ...

Astronomers may have found the long-missing half of the universe's regular matter—and it appears to have been right under our noses all this time. Models of how the universe has evolved since the Big ...

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For decades, astronomers were certain that half of the ordinary matter in the universe — protons and neutrons, the building ...

When cosmologists used different ways to measure the value of sigma 8, a number that denotes how clumpy the universe is, they ...

Researchers suggest the universe's background radiation has been overestimated, potentially challenging the standard model of ...