A new theory promises to simplify our approach to the universe's earliest moments, but some cosmologists say further ...

A version of this article appears in print on Oct. 22, 2023, Section SR, Page 9 of the New York edition with the headline: The Secret to Unlocking One of the Universe’s Great Mysteries.

A never-before-seen image of the cosmic microwave background, combining data from the Atacama Cosmology Telescope (ACT) and the Planck satellite, offers a high-definition view of the early Universe.

The universe "is written in the language of mathematics," according to Galileo. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The Cosmic Microwave Background carries with it a record of events throughout the 13.8-billion-year history of the universe. When you purchase through links on our site, we may earn an affiliate ...

The existence of this background is something that astrophysicists have theorized since GWs were first detected, making this a potentially ground-breaking discovery!

Universe’s Surprises Usually Surpass Our Imagination By K.C. Cole Oct. 15, 2001 12 AM PT ...

“We have evidence of what we call ‘the gravitational wave background,’ which is a hum of gravitational waves coming from all of the gravitational waves in the universe,” Dr. Sarah Vigeland ...

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 ...