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

For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned out to ...

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

Hello and welcome to the newsletter, a grab bag of daily content from the Odd Lots universe. Sometimes it's us, Joe ...

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

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

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

Depending on how you look at it, the universe might not have an "end," after all. Whether the universe will "end" at all is ...

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

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

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 ...

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