Albert Einstein and Niels Bohr had an ongoing rivalry about the true nature of quantum mechanics, and came up with a thought ...

Before Einstein, before Bohr, there was a Jesuit priest with a telescope and a startlingly modern vision of the universe.

How the world of the smallest particles is structured, what is known about fundamental forces, and what particles have to do ...

Exceptionally precise' set-up mimics thought experiment devised by sceptical genius to disprove the then-emerging field For ...

Physicists successfully teleport quantum information between photons from different sources, a key step towards a secure ...

The constancy of the speed of light is a pillar of modern physics, but questions persist about its absolute universality.

The famous double-slit experiment brings into question the very nature of matter. Its cousin, the quantum eraser experiment, ...

How confusing inevitability with reality built decades of paradox. What if general relativity never actually tells us that ...

A scientist analyzing Fermi telescope data found a strange glow around the Milky Way that looks like it could be coming from ...

Nearly a century after astronomers first proposed dark matter to explain the strange motions of galaxies, scientists may finally be catching a glimpse of it. A University of Tokyo researcher analyzing ...

A team of astronomers say they may have detected dark matter, the invisible substance thought to make up over 85 percent of ...

A single green laser, a glass bead smaller than a bacterium and a lab in Austria are helping you see lightning in a new way.