Positive curvature, like that on a sphere, implies a finite universe, while zero curvature, as on a flat plane or negative ...

Astronomers have recently discovered that the Hercules–Corona Borealis Great Wall, a massive cosmic superstructure, might be much larger and closer to Earth than previously estimated. This remarkable ...

Nash, L. (2026) On the Size of the Electron in a Quantum Universe. Journal of High Energy Physics, Gravitation and Cosmology, ...

Image: When a large nearby object, such as a galaxy, blocks a distant object, such as another galaxy, the light can detour around the blockage. But instead of taking a single path, light can bend ...

A new JCAP study tests an “emulator” to reconstruct the large-scale structure of the cosmos If you think a galaxy is big, compare it to the size of the Universe: it’s just a tiny dot which, together ...

It’s hard to fathom the size of the universe. But two Stony Brook University professors are part of a project designed to do just that — an effort scientists say is making advances. Researchers in the ...

This video explains how scientists estimate the size of the observable universe and what we mean by its “radius,” using clear ...

Mikhail Ivanov, Oliver Philcox, and Marko Simonović won the New Horizons Award for their work on large scale structures — the strands and filaments of our universe which contain buried clues to its ...

“The cosmos is also within us, we're made of star-stuff. We are a way for the cosmos to know itself.” - Carl Sagan Compared to the Sun, how big is the Earth? What is a scale model and how does it help ...