New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

Until recently, Type Ia supernovae have been treated by cosmologists as the gold standard of cosmic distance determination: quite uniform “standard candles” whose peak brightness was reliable over all ...

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

The Atacama Cosmology Telescope in Chile not only confirmed one of the greatest mysteries in the universe—it also ruled out ...

If the universe is 13.8 billion years old, why is the observable universe 46 billion light-years across? This video explains the mind-bending science behind the accelerated expansion of space and why ...

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

The three Sonic movies thus far have together brought in more than $1.2 billion globally, so it's no surprise to see ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

A stronomers using the JWST have traced the source of a long-duration gamma-ray burst back to a supernova that exploded ...