“Count what is countable, measure what is measurable, and what is not measurable, make measurable”—attributed to Galileo Galilei. The detection of a predicted universal background of ...

Untold numbers of galaxies have merged across the 13.8-billion-year life of the universe, and those blasts should still be echoing in the background of space-time today.

A 15-year study has revealed the cosmic background noise of gravitational waves echoing across the universe for the first time.

Is it possible to understand the Universe without understanding the largest structures that reside in it? In principle, not ...

The U.S.-funded Rubin Observatory will chart the entire southern cosmos over the next decade.

Astronomers are trying to listen to the universe’s background hum — a cascade of gravitational waves believed to exist since the first rapid inflation of space following the Big Bang over 13.8 ...

Radio telescopes around the world picked up a telltale hum reverberating across the cosmos, most likely from supermassive black holes merging in the early universe. By Katrina Miller Katrina ...

Astronomers across the world announced on Thursday that they have found the first evidence of a long-theorised form of gravitational waves that create a "background hum" rumbling throughout the ...