A dazzling galaxy discovered by the James Webb Space Telescope (JWST) is forcing cosmologists to reexamine key assumptions ...

A century ago, Edwin Hubble revolutionized our understanding of the universe by proving that the Milky Way is just one of many galaxies in an ever-expanding cosmos. This breakthrough led to the ...

Scientists studying one of the earliest known galaxies using the James Webb Space Telescope have found that the universe's Era of Reionization may have occurred much earlier than previously thought.

An international team of astronomers has detected the bright hydrogen emission coming from a galaxy located in an unusually ...

Dark energy may have a completely unknown aspect of physics acting as an accomplice in its efforts to defy gravity, ...

Astronomers studying a supermassive black hole at the center of a galaxy similar to our Milky Way may have just witnessed how ...

Dark energy, in the form of a cosmological constant (Λ), has been seen as responsible for the accelerating expansion of space, holding a steady energy density.

A new map of cosmic expansion suggests that dark energy evolves over time, hinting that the universe doesn’t work the way we ...

Life could have the time and energy to arise and prosper on Earth-like worlds in the rapidly shrinking "Goldilocks zones" ...

These dark elements of the cosmos have come to be known as dark energy, a mysterious force that causes the expansion of ...

CAPE CANAVERAL, Fla. (AP) — Stuck in space no more, NASA astronauts Butch Wilmore and Suni Williams returned to Earth on ...

Physicists had long assumed that the elusive force has constant strength. But the latest results from a project to map the ...