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

By studying faint distortions in galaxy shapes across a vast region of sky, scientists probed the hidden structure of the universe. In the standard picture of the universe, nearly everything is hidden ...

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

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

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

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

The universe’s expansion might not be accelerating but slowing down, a new study suggests. If confirmed, the finding would upend decades of established astronomical assumptions and rewrite our ...

Molecules containing noble gases shouldn’t exist. By definition, these chemical elements — helium, neon, argon, krypton, xenon and radon — are the party poopers of the periodic table, huddling in the ...

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

A virtual event, "Astronomy Unlocked: How to Choose Your Best Telescope," is scheduled for November 20, 2025, at 9:00 am EST, designed to provide a comprehensive guide to selecting astronomical ...

Depending on how you look at it, the universe might not have an "end," after all. This article was originally published at The Conversation. The publication contributed the article to Space.com's ...