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 ...

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 ...

The universe is vast, beyond what we can truly comprehend. But how big is it, really? In this video, we explore the incredible size of the universe, from its observable limits to the theories that ...

A new three-volume study explores how quantum physics, gravitation and cosmology may be understood within a unified ...

Gravity is by far the weakest of nature’s four fundamental forces, and physicists have spent decades asking a deceptively ...

As evidenced by the diagrams that make up the Tree of Knowledge System, I think it is valuable that we teach individuals broad frames to think about the Universe and our place in it. That was why I ...

Observations show the universe appears flat, yet its true size and global shape beyond the observable horizon may remain ...

Is the universe infinite, Aristotle asked in 350 BCE, “or is this an impossibility? The decision … is … all-important to our search for the truth.” The Greek ...

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“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 ...

TACC's Frontera supercomputer helped astronomers develop PRIYA, the largest suite of hydrodynamic simulations yet made of large-scale structures in the universe. Example Lyman-α forest spectra from ...