Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

So, to create a must-read story list for you, we asked our staff to select their favorite pieces of 2025. Alas, while you're ...

Our understanding of the true nature of the cosmos relies on measurements of its expansion, but cosmologists have been ...

Animation of the findings by researchers who used time-delay cosmography to independently confirm that the universe’s current ...

While surveying distant worlds beyond our solar system, researchers unexpectedly obtained the first direct images showing ...

An international team of astronomers using a combination of ground-based telescopes, including the W. M. Keck Observatory on ...

Yu-Jing Qin, a postdoctoral researcher at California Institute of Technology (Caltech), led a series of spectroscopic observations using Keck Observatory’s Low Resolution Imaging Spectrometer, ...

We suggest that there should be a minimum electromagnetic radiation frequency in the Hubble sphere and that this seems to be directly linked to the Hawking Temperature and our recent discovery that ...

Dark energy is the mysterious force thought to be accelerating the universe. . But a new study hints that scientists may have ...

A new study questions dark energy's role in the universe's acceleration, suggesting it may be weakening instead.

The Crab Nebula has been one of astronomy’s most scrutinized objects for nearly a millennium, yet Hubble’s first fresh look ...

Two strange galaxies that first crossed paths about 25 to 75 million years ago, prompting 'fireworks.' ...