The filament of matter stretches 50 million light-years, and contains a row of galaxies 5.5 million light-years long that are ...

Here’s what you’ll learn when you read this story: A new paper adjusts an equation that defines our universe in response to recent new data. The cosmological constant, which describes how our universe ...

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

Columbia professors contributed to new research that seeks to understand an anomaly that has puzzled particle physics for ...

"Precision in these measurements is critical, as even subtle discrepancies could signal deviations from the model — ...

About a century ago, scientists were struggling to reconcile what seemed a contradiction in Albert Einstein’s theory of general relativity. Published in 1915, and already widely accepted worldwide by ...

Seconds after the Big Bang, the newborn universe gave rise to the first elements—ionized forms of hydrogen and helium. These particles combined, forging helium hydride—the first ever molecule. It ...

Scientists have released a new study that catalogues the universe by mapping huge clusters of galaxies. These clusters are some of the largest known objects in the universe — and they can help ...