This video explains how scientists estimate the size of the observable universe, what “radius” means in cosmology, and why ...

You’ve looked up at the night sky. Maybe you’ve wondered how much you don’t know. Turns out, the scale of our ignorance about ...

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

Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole. Parallels in the physics of the universe and that of black holes have led ...

Researchers in Germany argue that a modified theory of gravity could explain universal expansion, removing dark energy from ...

Astronomers have discovered that a young galaxy was gradually starved by its central supermassive black hole, in what was ...

The scientists realized that these supernovae weren’t as nearby as they had thought, so they had zipped away from Earth ...

Scientists are a step closer to solving one of the universe's biggest mysteries as new research finds evidence that two of ...

A recent study provides answers to three seemingly disparate yet pressing cosmic dawn puzzles. Specifically, the authors show ...

This reported machine may be linked to “Havana syndrome,” a debated condition characterized by a strange panoply of symptoms ...

Scientists at Fermilab’s MicroBooNE experiment have ruled out the existence of the elusive sterile neutrino, a particle ...

New research suggests that the x-ray light coming from the Milky Way’s central black hole Sagittarius A* has changed ...