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, ...

The universe seems to be spinning, and that could explain what dark energy is and why it's weakening while revealing our ...

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

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

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

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

A controversial theory suggests the observable universe is the result of matter rebounding after the collapse of a black hole ...

There are new hints that the fabric of space-time may be made of "memory cells" that record the whole history of the universe ...

At first, the early universe's light was "trapped," and it took several hundred thousand years for it to escape. Then, it took about 100 million years for stars to form.

The Hubble constant, a set number that connects a galaxy’s speed to its distance from Earth and tells us how fast the ...

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

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