Explore the Boötes Void, the universe's vast "desert" where galaxies are sparse, and nothingness reigns. Discover its ...

The biggest thing in the universe — sounds pretty straightforward, right? Well, not exactly. We all love a good cosmological superlative — the hottest, the brightest, the most massive — but ...

Biggest Thing in Universe Found—Defies Scientific Theory Quasar cluster is "challenge to our current understanding," astronomer says.

Think big. Really big. Like, cosmic big. How big can things in the Universe get? Is a galaxy big? What about a supercluster? What is the biggest thing in the Universe?

There's some pretty big stuff out there in the Universe, but how big is the biggest? According to a team of Hungarian-US scientists led by Prof Lajos Balazs, the largest regular formation in the ...

The biggest thing in the universe is really, really big A newly discovered galactic structure is so large that it means one of our basic assumptions about the nature of the universe could be wrong.

The universe, Darling said, is expanding at an accelerating pace due to a mysterious force known as dark energy. “Dark energy, if it keeps going, will start pulling stuff apart that we would have ...

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

The universe is full of wonders, yet some of its greatest mysteries may never be solved. Despite groundbreaking discoveries, there are questions so profound, so complex, that they may remain forever ...

The discovery of giant superclusters of galaxies are challenging our very understanding of the Universe.

There are billions and trillions of stars in our universe. But what is the biggest known star in the universe?

The Biggest Questions is a mini-series that explores how technology is helping probe some of the deepest, most mind-bending questions of our existence. Why isn’t the universe boring? It could be.