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

Dark matter, though invisible, weighs heavily on how we understand the universe. Its gravity sculpts galaxies, holds clusters ...

Massive ripples in the very fabric of space and time wash over Earth constantly, although you'd never notice. An astrophysicist is trying a new search for these gravitational waves.

Through a citizen science project called Galaxy Zoo, volunteers can help astronomers analyze over 500,000 James Webb Space ...

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

The "afterglow" of the universe is an important piece of evidence for the Big Bang. This background radiation also provides ...

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

The most recent measurement of a nearby galaxy cluster is deepening a disagreement about how fast the universe is expanding — ...

Webb discovered an early cosmic boom of "red monster" galaxies, surprising even seasoned researchers who thought they knew ...

Major survey results now hint that dark energy has evolved across cosmic history, raising questions about the standard model ...