A new analysis of astronomical data suggests unknown physics is at work assisting dark energy in acting almost as ...

The Simons Observatory, a most advanced network of telescopes aimed at mapping the Cosmic Microwave Background (CMB) with unprecedented precision, has reached a major milestone: the Large Aperture ...

Astronomers have identified a bright hydrogen emission from a galaxy in the very early universe. The surprise finding is ...

Scientists using the James Webb Space Telescope have identified an ancient and faraway galaxy that provides evidence that an ...

"We report the discovery of one of the most distant galaxies known to date," astrophysicist Joris Witstok told Newsweek.

Vivian Poulin asks if the tension between a direct measurement of the Hubble constant and constraints from the early universe ...

Primordial black holes are the earliest black holes thought to exist, and they vanished almost as fast as they came into ...

If dark energy continues to weaken, the accelerating expansion of the universe could slow — and possibly reverse. In that ...

Astronomers have released the clearest and most detailed images ever of the universe when it was just a baby—only 380,000 ...

New research suggests that the theoretical Hawking radiation generated by black holes may have influenced the early structure ...

In a major breakthrough for cosmology, scientists have captured an image that reveals the universe’s earliest moments with ...