Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...

Dark energy is still a mystery, but powerful new telescopes are set to uncover clues. With NASA and ESA leading the charge, ...

Evidence supporting this theory includes the cosmic microwave background, a faint "echo" of the universe's early expansion that scientists can study in detail. While the Big Bang Theory is widely ...

The universe expands...through what? Experts might have a suggestion. Expansion may be happening at a faster rate than ...

Could time itself actually explain our universe's expansion? Our current cosmological model—known as lambda cold dark matter, ...

By employing a new and improved supercollider, scientists are hoping to dissect the very fabric of the Universe and calculate ...

"As yet, nobody has managed to understand what gives rise to this strange phenomenon, and explaining dark energy remains one ...

"The Hubble tension is now a Hubble crisis." The mystery of the Hubble tension has deepened with the startling finding that ...

The accelerating expansion of the Universe, first observed in 1998, remains one of the most profound mysteries in modern ...

This is called the “heat death” of the Universe, but you can think of it instead as the death of heat. There will be no more differences in temperature anywhere, which means thermodynamics shuts down, ...

The multiverse theory, a mind-bending concept, proposes that our universe is not alone. Instead, it suggests a vast sea of universes, each with its own ...