Using the XRISM space telescope, scientists spotted faint emissions of the elements in remnants of the Cassiopeia A supernova ...

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 ...

The universe exists because matter and antimatter are not good friends. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Is there a scientific ...

Astronomers are closing in on a result so statistically secure that, in their language, it borders on certainty: a 99.9999999 ...

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 ...

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

Scientists led by a team from the University of Chicago recently released a study that mapped some of the largest known objects in the universe. The study may help scientists test theories about how ...

About 13.8 billion years ago, the newborn universe was a blazing sea of energy and particles. Within minutes of the Big Bang, conditions had cooled enough for the very first atoms—mostly hydrogen, ...

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 ...