As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s not how it works. Hint: space-time is involved.

In a recent study published in the Astrophysical Journalletters, scientists confirmed something both exhilarating and unsettling: the universe is expanding in a way that defies our most trusted models ...

Modern cosmology reveals a universe expanding uniformly without a spatial center or edge. The Big Bang wasn't a localized ...

For a quarter century, cosmology has leaned on one framework to explain how the universe expands. Known as the ΛCDM model, it ...

Through the James Webb Space Telescope and the Hubble Telescope, it has been possible to confirm the expansion of the ...

For more than two decades, the standard model of cosmology has stood as a reliable guide to the universe. Known as Lambda Cold Dark Matter, or ΛCDM, it weaves together dark energy, dark matter, and ...

Dark energy—the term used to describe whatever is causing the universe to expand at an increasing rate—is one of the universe ...

Astronomers use many methods to determine this number, including gravitational lensing, the universe’s expansion rate, and ...

A new Utah Valley University study is providing new evidence in a debate astronomers across the world haven’t been able to agree on — how fast the universe is expanding. The findings may add more fuel ...

How fast is the universe expanding? This is what a recent study published in The Astrophysical Journal hopes to address as a team of scientists investigated to see if what’s known as the Standard ...