It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from ...

How can any telescope see a galaxy 33.8 billion light-years away in a universe that is only 13.8 billion years old? When you purchase through links on our site, we may earn an affiliate commission.

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

Physicists have been puzzling over conflicting observational results pertaining to the accelerating expansion rate of our Universe—a major discovery recognized by the 2011 Nobel Prize in Physics. New ...

NASA's James Webb Space Telescope has helped astronomers determine the distance to nearly 200 galaxies and galaxy clusters formed in the universe's early days. One of the first publicly released ...

New observations from the James Webb Space Telescope suggest that a new feature in the universe—not a flaw in telescope measurements—may be behind the decadelong mystery of why the universe is ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

University of Ottawa provides funding as a founding partner of The Conversation CA-FR. University of Ottawa provides funding as a member of The Conversation CA. Early universe observations by the ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead suggesting giant voids in space are creating an illusion. When you purchase ...

Ryan Shannon receives funding from the Australian Research Council. Every day and night, hundreds of thousands of intense, brief flashes of radiation suddenly flicker on and then off all across the ...