If you feel a thrill every time we discover something new about the cosmos, then November 25th may have been a noteworthy day ...

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

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

FROSTI is a new adaptive optics system that precisely corrects distortions in LIGO’s mirrors caused by extreme laser power.

"It means cleaning house, narrowing the viable paths forward, and no longer spending energy on what are evidently dead ends." ...

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new ...

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

For over two decades, cosmologists have believed that the universe is expanding at an accelerating pace, driven by a ...

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

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

The universe is absolutely massive in ways that are hard to properly get your head around, but what’s even more […] ...