New details from the Webb telescope indicate there might be a fundamental problem with our understanding of the universe. The spiral galaxy NGC 4258, imaged by the Hubble Space Telescope, measures ...

Mikel Arteta faces a huge test on Wednesday night. / Catherine Ivill/AMA/Getty Images Mikel Arteta has admitted Bayern Munich, Arsenal’s Champions League opponents on Wednesday night, are still in a ...

The universe’s expansion might not be accelerating but slowing down, a new study suggests. If confirmed, the finding would upend decades of established astronomical assumptions and rewrite our ...

Scientists have long held that the universe is expanding at an ever-increasing rate, driven by a mysterious but measurable force known as dark energy. Now, a new study might upend that idea, ...

It is widely thought that our universe is expanding at an ever-accelerating rate. But could we have that wrong? That is what a group of scientists from South Korea claims, but other scientists have ...

The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously thought, a new study suggests. "Remarkable" findings published today in ...

What is density, and how does it apply to the universe? From dogs and water to stars and galaxies, this video uses humor and relatable examples to break down one of the most fundamental concepts in ...

For at least two decades, astronomers have mostly agreed that the universe is around 13.7 billion years old. But the ages of super-old stars and the masses of early galaxies provide compelling ...

From a tower with the largest clock on Earth to a mind-bogglingly tall building that holds 7 world records, this video presents a 3D comparison of the tallest skyscrapers on the planet. It features ...

The space-based observatory will scan the cosmos in 102 colors we can't see to unlock the secret history of the universe. Reading time 2 minutes NASA’s newest eye on the cosmos is officially open for ...

On March 11, 2025, a SpaceX Falcon 9 rocket lifted off from Space Launch Complex 4 East at Vandenberg Space Force Base in California. Among other things, it carried with it something that will ...