The universe's age largely hinges on its rate of expansion. Data from the 1990s' Hubble Space Telescope launch saw estimates ranging from 7 billion to 20 billion years. It was only later that a ...

Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...

The universe expands...through what? Experts might have a suggestion. Expansion may be happening at a faster rate than ...

By employing a new and improved supercollider, scientists are hoping to dissect the very fabric of the Universe and calculate ...

New evidence suggests the universe is expanding faster than predicted. Explore the Hubble constant and its implications for ...

New research confirms the Universe is expanding faster than theoretical models predict, intensifying the Hubble tension.

The Hubble constant is one of the most important numbers in cosmology because it tells us how fast the universe is expanding, which can be used to determine the age of the universe and its history. It ...

What is the universe expanding into if it’s already infinite? – Mael, age 10, Missoula, Montana When you bake a loaf of bread or a batch of muffins, you put the dough into a pan. As the dough ...

The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly ...

“This expansion of space means that our observations ... provided evidence for a slowing of time back to half the age of the universe. That’s because it’s hard to see supernova all the ...

Across cosmic history, powerful forces have acted on matter, reshaping the universe into an increasingly complex web of structures. Now, new research led by Joshua Kim and Mathew Madhavacheril at the ...

Space exploration also helps us understand the building blocks of the universe by studying cosmic phenomena like black holes, ...